NASA's Roving Robotic Chemist Will Collect Clues For Life on Mars
Mars Science Laboratory's Touchdown on The Red Planet
NASA's Mars Lander: The Exploration Begins
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From 1996-99, he was Head Observer at the Naval Prototype Optical Interferometer program at Lowell Observatory in Flagstaff, AZ.\r\n\r\nRead his \u003ca href=\"http://science.kqed.org/quest/author/ben-burress/\">previous contributions\u003c/a> to \u003ca href=\"http://science.kqed.org/quest/\">QUEST\u003c/a>, a project dedicated to exploring the Science of Sustainability.","avatar":"https://secure.gravatar.com/avatar/8263bffa345b7e4923a0b8b9f0f6a161?s=600&d=blank&r=g","twitter":null,"facebook":null,"instagram":null,"linkedin":null,"sites":[{"site":"science","roles":["editor"]},{"site":"quest","roles":["subscriber"]}],"headData":{"title":"Ben Burress | KQED","description":null,"ogImgSrc":"https://secure.gravatar.com/avatar/8263bffa345b7e4923a0b8b9f0f6a161?s=600&d=blank&r=g","twImgSrc":"https://secure.gravatar.com/avatar/8263bffa345b7e4923a0b8b9f0f6a161?s=600&d=blank&r=g"},"isLoading":false,"link":"/author/ben-burress"},"andrew-alden":{"type":"authors","id":"6228","meta":{"index":"authors_1591205172","id":"6228","found":true},"name":"Andrew Alden","firstName":"Andrew","lastName":"Alden","slug":"andrew-alden","email":"alden@andrew-alden.com","display_author_email":false,"staff_mastheads":[],"title":null,"bio":"Andrew Alden earned his geology degree at the University of New Hampshire and moved back to the Bay Area to work at the U.S. Geological Survey for six years. He has \u003ca href=\"http://geology.about.com/\">written on geology for About.com\u003c/a> since its founding in 1997. In 2007, he started the Oakland Geology blog, which won recognition as \"Best of the East Bay\" from the \u003ci>East Bay Express\u003c/i> in 2010. In writing about geology in the Bay Area and surroundings, he hopes to share some of the useful and pleasurable insights that geologists give us—not just facts about the deep past, but an attitude that might be called the \u003ci>deep present\u003c/i>.\r\n\r\nRead his \u003ca href=\"http://science.kqed.org/quest/author/andrew-alden/\">previous contributions\u003c/a> to \u003ca href=\"http://http://science.kqed.org/quest/\">QUEST\u003c/a>, a project dedicated to exploring the Science of Sustainability.","avatar":"https://secure.gravatar.com/avatar/9eaa0afc32f98c5fc7ce634437334a64?s=600&d=blank&r=g","twitter":null,"facebook":null,"instagram":null,"linkedin":null,"sites":[{"site":"science","roles":["author"]},{"site":"quest","roles":["subscriber"]}],"headData":{"title":"Andrew Alden | KQED","description":null,"ogImgSrc":"https://secure.gravatar.com/avatar/9eaa0afc32f98c5fc7ce634437334a64?s=600&d=blank&r=g","twImgSrc":"https://secure.gravatar.com/avatar/9eaa0afc32f98c5fc7ce634437334a64?s=600&d=blank&r=g"},"isLoading":false,"link":"/author/andrew-alden"},"melissaefellet":{"type":"authors","id":"10331","meta":{"index":"authors_1591205172","id":"10331","found":true},"name":"Melissae Fellet","firstName":"Melissae","lastName":"Fellet","slug":"melissaefellet","email":"melissae.fellet@gmail.com","display_author_email":false,"staff_mastheads":[],"title":null,"bio":"Melissae Fellet is a freelance science writer obsessed with electrons, atoms and molecules. Writing about chemistry, physics and technology, she hopes to reveal how the invisible building blocks of matter influence things like plastics, perfumed shampoos and the speedy computer chips we use everyday. She holds a BS in biochemistry and microbiology from the University of Florida and a PhD in chemistry from Washington University in St. Louis. She spends sunny days at her home in Santa Cruz either watching otters in the bay or tromping around the redwood forests.","avatar":"https://secure.gravatar.com/avatar/47ca62221ec1d28f17ff031462d02e0d?s=600&d=blank&r=g","twitter":null,"facebook":null,"instagram":null,"linkedin":null,"sites":[{"site":"quest","roles":["subscriber"]}],"headData":{"title":"Melissae Fellet | KQED","description":null,"ogImgSrc":"https://secure.gravatar.com/avatar/47ca62221ec1d28f17ff031462d02e0d?s=600&d=blank&r=g","twImgSrc":"https://secure.gravatar.com/avatar/47ca62221ec1d28f17ff031462d02e0d?s=600&d=blank&r=g"},"isLoading":false,"link":"/author/melissaefellet"}},"breakingNewsReducer":{},"campaignFinanceReducer":{},"firebase":{"requesting":{},"requested":{},"timestamps":{},"data":{},"ordered":{},"auth":{"isLoaded":false,"isEmpty":true},"authError":null,"profile":{"isLoaded":false,"isEmpty":true},"listeners":{"byId":{},"allIds":[]},"isInitializing":false,"errors":[]},"navBarReducer":{"navBarId":"home","fullView":true,"showPlayer":false},"navMenuReducer":{"menus":[{"key":"menu1","items":[{"name":"News","link":"/","type":"title"},{"name":"Politics","link":"/politics"},{"name":"Science","link":"/science"},{"name":"Education","link":"/educationnews"},{"name":"Housing","link":"/housing"},{"name":"Immigration","link":"/immigration"},{"name":"Criminal Justice","link":"/criminaljustice"},{"name":"Silicon Valley","link":"/siliconvalley"},{"name":"Forum","link":"/forum"},{"name":"The California Report","link":"/californiareport"}]},{"key":"menu2","items":[{"name":"Arts & Culture","link":"/arts","type":"title"},{"name":"Critics’ Picks","link":"/thedolist"},{"name":"Cultural Commentary","link":"/artscommentary"},{"name":"Food & Drink","link":"/food"},{"name":"Bay Area Hip-Hop","link":"/bayareahiphop"},{"name":"Rebel Girls","link":"/rebelgirls"},{"name":"Arts Video","link":"/artsvideos"}]},{"key":"menu3","items":[{"name":"Podcasts","link":"/podcasts","type":"title"},{"name":"Bay Curious","link":"/podcasts/baycurious"},{"name":"Rightnowish","link":"/podcasts/rightnowish"},{"name":"The Bay","link":"/podcasts/thebay"},{"name":"On Our Watch","link":"/podcasts/onourwatch"},{"name":"Mindshift","link":"/podcasts/mindshift"},{"name":"Consider This","link":"/podcasts/considerthis"},{"name":"Political Breakdown","link":"/podcasts/politicalbreakdown"}]},{"key":"menu4","items":[{"name":"Live Radio","link":"/radio","type":"title"},{"name":"TV","link":"/tv","type":"title"},{"name":"Events","link":"/events","type":"title"},{"name":"For Educators","link":"/education","type":"title"},{"name":"Support KQED","link":"/support","type":"title"},{"name":"About","link":"/about","type":"title"},{"name":"Help Center","link":"https://kqed-helpcenter.kqed.org/s","type":"title"}]}]},"pagesReducer":{},"postsReducer":{"stream_live":{"type":"live","id":"stream_live","audioUrl":"https://streams.kqed.org/kqedradio","title":"Live Stream","excerpt":"Live Stream information currently unavailable.","link":"/radio","featImg":"","label":{"name":"KQED Live","link":"/"}},"stream_kqedNewscast":{"type":"posts","id":"stream_kqedNewscast","audioUrl":"https://www.kqed.org/.stream/anon/radio/RDnews/newscast.mp3?_=1","title":"KQED Newscast","featImg":"","label":{"name":"88.5 FM","link":"/"}},"quest_49829":{"type":"posts","id":"quest_49829","meta":{"index":"posts_1591205157","site":"quest","id":"49829","score":null,"sort":[1361548851000]},"guestAuthors":[],"slug":"mars-rovercuriosity-digs-a-little-deeper","title":"The Mars Rover Curiosity Digs a Little Deeper","publishDate":1361548851,"format":"aside","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_49841\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/02/22/mars-rovercuriosity-digs-a-little-deeper/msl-thwackmarks/\" rel=\"attachment wp-att-49841\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/02/msl-thwackmarks.jpg\" alt=\"Before sending the Curiosity rover to Mars, its drilling technology was tested exhaustively by drilling many holes in samples of Earth rock.\" width=\"640\" height=\"360\" class=\"size-full wp-image-49841\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/02/msl-thwackmarks.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2013/02/msl-thwackmarks-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Before sending the Curiosity rover to Mars, its drilling technology was tested exhaustively by drilling many holes in samples of Earth rock.\u003c/figcaption>\u003c/figure>\n\u003cp>Add another word to your vocabulary of Martian geological exploration: thwacking...repeat, not fracking, but thwacking!\u003c/p>\n\u003cp>Thwack: to strike with or as if with something flat or heavy. (Merriam Webster's.)\u003c/p>\n\u003cp>On Wednesday, NASA held a press conference to announce another first in our robotic exploration of Mars. On February 8th, the rover \u003ca href=\"http://www.nasa.gov/mission_pages/msl/index.html\" title=\"NASA Mars Science Laboratory\" target=\"_blank\">Curiosity \u003c/a>(of the Mars Science Laboratory mission) used its drill to bore a hole (maybe more correctly, used its thwacker to thwack a hole) into a slab of flat bedrock. The boring tool uses vibrating impacts to speed up the rock penetration of the rotating drill bit, not unlike a handheld impact drill, or a tiny jackhammer with a spinning tip. \u003c/p>\n\u003cp>The hole, 6.4 centimeters deep (about the length of my pinky finger), is aimed at delivering a sample of pulverized rock powder to Curiosity's onboard chemical analysis laboratories--more specifically, a sample from deeper into the rock than 5 centimeters, rock which has not been chemically altered by the weathering effects that the material at the outer surfaces endures. \u003c/p>\n\u003cp>The patch of bedrock chosen for this micro-excursion is thought to be ancient, making a probing of mere inches an excursion of perhaps millions of years into Mars' past--maybe far back enough to probe a time when liquid water existed on its surface. Regardless of whether it finds the watery signature of ancient surface liquid in this sample, exciting though that would be, the rover's mission is to probe Mars' geology to assess the past habitability of the planet--so we'll get what we get. \u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>Though a 6.4 centimeter hole in bedrock barely sounds like scratching the surface, this hole bears the distinction of being the deepest we've dug into solid rock on Mars. And it's really no small feat. Perhaps to get an idea of what it takes to do this sort of prospecting, try it yourself: get an impact drill (one of those hand drills that vibrates up and down as it bores) with a one-inch masonry bit and try drilling/thwacking a 2.5 inch hold into an old piece of concrete (disclaimer: make sure it's your own concrete, not someone else's paving stone or patio--and be sure you're wearing proper eye protection gear). Now, if you've managed to do this, think about the fact that NASA has done this by remote control on Mars. Curiosity is doing some amazingly challenging work out there!\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>At this moment the pulverized tablespoonful of pristine bedrock awaits being delivered to the instruments on Curiosity that will unlock all of its tantalizing chemical secrets--but maybe that can be the subject of a press release event in the near future. \u003c/p>\n\n","blocks":[],"excerpt":"On February 8th, the rover Curiosity used its drill to bore a hole into a slab of flat bedrock, marking the first time we have probed deeply into the interior of a Martian rock in search of the secrets of Mars' past it may hold. ","status":"publish","parent":0,"modified":1370998043,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":9,"wordCount":481},"headData":{"title":"The Mars Rover Curiosity Digs a Little Deeper | KQED","description":"On February 8th, the rover Curiosity used its drill to bore a hole into a slab of flat bedrock, marking the first time we have probed deeply into the interior of a Martian rock in search of the secrets of Mars' past it may hold. ","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"The Mars Rover Curiosity Digs a Little Deeper","datePublished":"2013-02-22T16:00:51.000Z","dateModified":"2013-06-12T00:47:23.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"49829 http://science.kqed.org/quest/?p=49829","disqusUrl":"https://ww2.kqed.org/quest/2013/02/22/mars-rovercuriosity-digs-a-little-deeper/","disqusTitle":"The Mars Rover Curiosity Digs a Little Deeper","path":"/quest/49829/mars-rovercuriosity-digs-a-little-deeper","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_49841\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/02/22/mars-rovercuriosity-digs-a-little-deeper/msl-thwackmarks/\" rel=\"attachment wp-att-49841\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/02/msl-thwackmarks.jpg\" alt=\"Before sending the Curiosity rover to Mars, its drilling technology was tested exhaustively by drilling many holes in samples of Earth rock.\" width=\"640\" height=\"360\" class=\"size-full wp-image-49841\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/02/msl-thwackmarks.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2013/02/msl-thwackmarks-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Before sending the Curiosity rover to Mars, its drilling technology was tested exhaustively by drilling many holes in samples of Earth rock.\u003c/figcaption>\u003c/figure>\n\u003cp>Add another word to your vocabulary of Martian geological exploration: thwacking...repeat, not fracking, but thwacking!\u003c/p>\n\u003cp>Thwack: to strike with or as if with something flat or heavy. (Merriam Webster's.)\u003c/p>\n\u003cp>On Wednesday, NASA held a press conference to announce another first in our robotic exploration of Mars. On February 8th, the rover \u003ca href=\"http://www.nasa.gov/mission_pages/msl/index.html\" title=\"NASA Mars Science Laboratory\" target=\"_blank\">Curiosity \u003c/a>(of the Mars Science Laboratory mission) used its drill to bore a hole (maybe more correctly, used its thwacker to thwack a hole) into a slab of flat bedrock. The boring tool uses vibrating impacts to speed up the rock penetration of the rotating drill bit, not unlike a handheld impact drill, or a tiny jackhammer with a spinning tip. \u003c/p>\n\u003cp>The hole, 6.4 centimeters deep (about the length of my pinky finger), is aimed at delivering a sample of pulverized rock powder to Curiosity's onboard chemical analysis laboratories--more specifically, a sample from deeper into the rock than 5 centimeters, rock which has not been chemically altered by the weathering effects that the material at the outer surfaces endures. \u003c/p>\n\u003cp>The patch of bedrock chosen for this micro-excursion is thought to be ancient, making a probing of mere inches an excursion of perhaps millions of years into Mars' past--maybe far back enough to probe a time when liquid water existed on its surface. Regardless of whether it finds the watery signature of ancient surface liquid in this sample, exciting though that would be, the rover's mission is to probe Mars' geology to assess the past habitability of the planet--so we'll get what we get. \u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>Though a 6.4 centimeter hole in bedrock barely sounds like scratching the surface, this hole bears the distinction of being the deepest we've dug into solid rock on Mars. And it's really no small feat. Perhaps to get an idea of what it takes to do this sort of prospecting, try it yourself: get an impact drill (one of those hand drills that vibrates up and down as it bores) with a one-inch masonry bit and try drilling/thwacking a 2.5 inch hold into an old piece of concrete (disclaimer: make sure it's your own concrete, not someone else's paving stone or patio--and be sure you're wearing proper eye protection gear). Now, if you've managed to do this, think about the fact that NASA has done this by remote control on Mars. Curiosity is doing some amazingly challenging work out there!\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>At this moment the pulverized tablespoonful of pristine bedrock awaits being delivered to the instruments on Curiosity that will unlock all of its tantalizing chemical secrets--but maybe that can be the subject of a press release event in the near future. \u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/49829/mars-rovercuriosity-digs-a-little-deeper","authors":["6180"],"categories":["quest_3"],"tags":["quest_742","quest_11741","quest_13200","quest_1751","quest_1918","quest_13202","quest_2457"],"featImg":"quest_49841","label":"quest"},"quest_48937":{"type":"posts","id":"quest_48937","meta":{"index":"posts_1591205157","site":"quest","id":"48937","score":null,"sort":[1359129640000]},"guestAuthors":[],"slug":"mars-mountainclimbing-mashup","title":"Mars Mountain Climbing Mashup!","publishDate":1359129640,"format":"aside","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_48939\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/25/mars-mountainclimbing-mashup/everest-sharp-comparison/\" rel=\"attachment wp-att-48939\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/everest-sharp-comparison.jpg\" alt=\"Comparison of heights of Mars' Mount Sharp and some of Earth's tallest mountains\" width=\"640\" height=\"360\" class=\"size-full wp-image-48939\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/everest-sharp-comparison.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/everest-sharp-comparison-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Comparison of heights of Mars' Mount Sharp and some of Earth's tallest mountains\u003c/figcaption>\u003c/figure>\n\u003cp>Ready for a real mash-up of explorer-history-science-mountaineering yack? A tale of two mountains on two planets? You have been forewarned...\u003c/p>\n\u003cp>The comparison between Earth-side mountain exploration and the planned expedition by the Mars rover Curiosity came to my mind as I read a book my family got me over the holidays: \u003cem>Last Climb\u003c/em>, the story of the \u003ca href=\"http://www.pbs.org/wgbh/nova/everest/lost/mystery/index.html\" title=\"George Mallory and Andrew Irvine\" target=\"_blank\">legendary Mount Everest expeditions\u003c/a> of George Leigh Mallory. \u003c/p>\n\u003cp>I knew that it is quite a physical feat to summit that 29,029 foot terrestrial rooftop, but the detailed narrative of the arduous climb by the earliest Everest-peak-seekers, with their 1920's technology and the fact that they were treading where in all likelihood no one had tread before, really put 1924 Everest onto another planet, in my mind.\u003c/p>\n\u003cp>And now the \u003ca href=\"http://mars.jpl.nasa.gov/explore/curiosity/#286\" title=\"Explore Mars\" target=\"_blank\">first ever robot mountaineer\u003c/a> is poised to begin its uphill climb—if not summit bid—on Mount Sharp in Martian territory. NASA's Curiosity is still at the bottom of the mound of sediment that it is planned to explore, 16,000 feet below the summit. Since landing on Mars in August 2012, it has only \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/whereistherovernow/\" title=\"Curiosity's Trek\" target=\"_blank\">traveled about half a mile\u003c/a>, taking its time checking out its systems and instruments and exploring the geology at the foot of the mountain. It's already revealed some intriguing geological features, including a \u003ca href=\"http://ww2.kqed.org/quest/2012/10/05/news-from-mars-a-river-ran-through-it/\" title=\"A River Ran Through It\" target=\"_blank\">layer of gravely material\u003c/a> that shows all the hallmarks of having been laid down by running water in Mars' past. \u003c/p>\n\u003cp>Back to Everest in the early 1920s. At that time the Himalayan mountains -- and particularly Mount Everest -- were not unlike places on another planet, largely unexplored (by western explorers at least) and unknown territory. Satellite surveillance wouldn't exist for many decades yet, and armchair exploration with Google Earth was the better part of a century away. And, frankly, the first successful ascent to the summit was still two decades away through the icy mists.\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>Step by painstaking step the expedition team members moved their way toward Everest, and then up its slopes, establishing supply lines and a string of support camps along the way. Not only was Everest then about as remote as Mars is today, it was also like another planet in terms of the environment: at Everest's lofty summit atmospheric pressure is about a third of that at sea level, temperatures dip far below freezing, solar radiation is harsh, and wind can cut like an icy knife. Another planet indeed, in some ways not unlike Mars.\u003c/p>\n\u003cp>If only those explorers had been as well equipped as Curiosity: nuclear-powered, designed to withstand far more harsh conditions than even Everest and gripping the ground stably on six giant metal-treaded wheels. Makes me wonder if NASA, or anyone else, has ever considered an extended expedition of Everest using a robot like Curiosity, which would have far greater staying power to dwell at those heights, conduct geological experiments and maybe search for the frozen remains of dozens of unfortunate climbers who make up Everest's all-time fatality statistic.\u003c/p>\n\u003cp>Apparently many of the bodies are still up there, it being too difficult a feat to bring them down, including George Mallory and his climbing partner Andrew Irvine. Mallory was found in 1999, and so far Irvine remains missing—along with the camera they took with them, which if ever found could shed some light onto these explorers' final hours on Earth.\u003c/p>\n\u003cp>If you read all the way through this, thanks for indulging me. The other-worldness of that early Everest expedition just struck me as chilling and enthralling, just as the modern other-worldly investigation of distant Mount Sharp does, and the treasure trove of Martian geologic history that Curiosity will attempt to read as it climbs, wheel-turn by wheel-turn, up those mountain slopes. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>And to make one final chilling comparison, Curiosity's ultimate fate, even after a successful mission, is similar to Mallory and Irvine's in one way: when it stops moving and communicating with Base Camp Earth, it will remain on that cold mountain forever.\u003c/p>\n\n","blocks":[],"excerpt":"The comparison between Earth-side mountain exploration and the planned expedition by the Mars rover Curiosity came to my mind as I read a book my family got me over the holidays: Last Climb, the story of the legendary Mount Everest expeditions of George Leigh Mallory. ","status":"publish","parent":0,"modified":1370998111,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":12,"wordCount":696},"headData":{"title":"Mars Mountain Climbing Mashup! | KQED","description":"The comparison between Earth-side mountain exploration and the planned expedition by the Mars rover Curiosity came to my mind as I read a book my family got me over the holidays: Last Climb, the story of the legendary Mount Everest expeditions of George Leigh Mallory. ","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"Mars Mountain Climbing Mashup!","datePublished":"2013-01-25T16:00:40.000Z","dateModified":"2013-06-12T00:48:31.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"48937 http://science.kqed.org/quest/?p=48937","disqusUrl":"https://ww2.kqed.org/quest/2013/01/25/mars-mountainclimbing-mashup/","disqusTitle":"Mars Mountain Climbing Mashup!","path":"/quest/48937/mars-mountainclimbing-mashup","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_48939\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/25/mars-mountainclimbing-mashup/everest-sharp-comparison/\" rel=\"attachment wp-att-48939\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/everest-sharp-comparison.jpg\" alt=\"Comparison of heights of Mars' Mount Sharp and some of Earth's tallest mountains\" width=\"640\" height=\"360\" class=\"size-full wp-image-48939\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/everest-sharp-comparison.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/everest-sharp-comparison-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Comparison of heights of Mars' Mount Sharp and some of Earth's tallest mountains\u003c/figcaption>\u003c/figure>\n\u003cp>Ready for a real mash-up of explorer-history-science-mountaineering yack? A tale of two mountains on two planets? You have been forewarned...\u003c/p>\n\u003cp>The comparison between Earth-side mountain exploration and the planned expedition by the Mars rover Curiosity came to my mind as I read a book my family got me over the holidays: \u003cem>Last Climb\u003c/em>, the story of the \u003ca href=\"http://www.pbs.org/wgbh/nova/everest/lost/mystery/index.html\" title=\"George Mallory and Andrew Irvine\" target=\"_blank\">legendary Mount Everest expeditions\u003c/a> of George Leigh Mallory. \u003c/p>\n\u003cp>I knew that it is quite a physical feat to summit that 29,029 foot terrestrial rooftop, but the detailed narrative of the arduous climb by the earliest Everest-peak-seekers, with their 1920's technology and the fact that they were treading where in all likelihood no one had tread before, really put 1924 Everest onto another planet, in my mind.\u003c/p>\n\u003cp>And now the \u003ca href=\"http://mars.jpl.nasa.gov/explore/curiosity/#286\" title=\"Explore Mars\" target=\"_blank\">first ever robot mountaineer\u003c/a> is poised to begin its uphill climb—if not summit bid—on Mount Sharp in Martian territory. NASA's Curiosity is still at the bottom of the mound of sediment that it is planned to explore, 16,000 feet below the summit. Since landing on Mars in August 2012, it has only \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/whereistherovernow/\" title=\"Curiosity's Trek\" target=\"_blank\">traveled about half a mile\u003c/a>, taking its time checking out its systems and instruments and exploring the geology at the foot of the mountain. It's already revealed some intriguing geological features, including a \u003ca href=\"http://ww2.kqed.org/quest/2012/10/05/news-from-mars-a-river-ran-through-it/\" title=\"A River Ran Through It\" target=\"_blank\">layer of gravely material\u003c/a> that shows all the hallmarks of having been laid down by running water in Mars' past. \u003c/p>\n\u003cp>Back to Everest in the early 1920s. At that time the Himalayan mountains -- and particularly Mount Everest -- were not unlike places on another planet, largely unexplored (by western explorers at least) and unknown territory. Satellite surveillance wouldn't exist for many decades yet, and armchair exploration with Google Earth was the better part of a century away. And, frankly, the first successful ascent to the summit was still two decades away through the icy mists.\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>Step by painstaking step the expedition team members moved their way toward Everest, and then up its slopes, establishing supply lines and a string of support camps along the way. Not only was Everest then about as remote as Mars is today, it was also like another planet in terms of the environment: at Everest's lofty summit atmospheric pressure is about a third of that at sea level, temperatures dip far below freezing, solar radiation is harsh, and wind can cut like an icy knife. Another planet indeed, in some ways not unlike Mars.\u003c/p>\n\u003cp>If only those explorers had been as well equipped as Curiosity: nuclear-powered, designed to withstand far more harsh conditions than even Everest and gripping the ground stably on six giant metal-treaded wheels. Makes me wonder if NASA, or anyone else, has ever considered an extended expedition of Everest using a robot like Curiosity, which would have far greater staying power to dwell at those heights, conduct geological experiments and maybe search for the frozen remains of dozens of unfortunate climbers who make up Everest's all-time fatality statistic.\u003c/p>\n\u003cp>Apparently many of the bodies are still up there, it being too difficult a feat to bring them down, including George Mallory and his climbing partner Andrew Irvine. Mallory was found in 1999, and so far Irvine remains missing—along with the camera they took with them, which if ever found could shed some light onto these explorers' final hours on Earth.\u003c/p>\n\u003cp>If you read all the way through this, thanks for indulging me. The other-worldness of that early Everest expedition just struck me as chilling and enthralling, just as the modern other-worldly investigation of distant Mount Sharp does, and the treasure trove of Martian geologic history that Curiosity will attempt to read as it climbs, wheel-turn by wheel-turn, up those mountain slopes. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>And to make one final chilling comparison, Curiosity's ultimate fate, even after a successful mission, is similar to Mallory and Irvine's in one way: when it stops moving and communicating with Base Camp Earth, it will remain on that cold mountain forever.\u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/48937/mars-mountainclimbing-mashup","authors":["6180"],"categories":["quest_3"],"tags":["quest_544","quest_742","quest_11689","quest_11691","quest_11690","quest_1751","quest_1918","quest_13202","quest_2457","quest_11688"],"featImg":"quest_48939","label":"quest"},"quest_48762":{"type":"posts","id":"quest_48762","meta":{"index":"posts_1591205157","site":"quest","id":"48762","score":null,"sort":[1358454143000]},"guestAuthors":[],"slug":"placing-a-bet-on-the-surface-of-mars","title":"Placing a Bet on the Surface of Mars","publishDate":1358454143,"format":"aside","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cp>Mars has been on my radar for a very long time, since the astonishing day back in 1965 when Mariner 10 first sent back a picture of craters on its surface. So I'm not a Johnny-come-lately to the red planet. I've followed the news from every Mars mission, orbiters and landers alike. But Curiosity, the most recent robot rover, has especially piqued my curiosity as a geologist. I think there are two reasons: the darn thing has finally become a decent field assistant, and NASA is sending it to some of Mars' most Earthlike places. So let me channel the late Huell Howser here and share some of what makes me go, \"That's amazing!\"\u003c/p>\n\u003cp>Unlike most previous landers, Curiosity has decent vision, about as good as my pocket camera. Its pictures actually look good on my desktop display, no longer like a frame grab from an old videocassette. Curiosity is a lot sturdier toobig, quick on its feetand smarter.\u003c/p>\n\u003cp>It's got a nice hand lens, better than mine, that offers almost-microscopic closeups. It has a shovel, like lots of its predecessors did. One of my worst frustrations in watching Mars robots over the years was wishing I could lean in and just blow the dust off of things. Lo and behold, this rover packs a broom! \u003c/p>\n\u003cfigure id=\"attachment_48765\" class=\"wp-caption aligncenter\" style=\"max-width: 600px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-broom/\" rel=\"attachment wp-att-48765\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-broom.jpg\" alt=\"\" title=\"mars-broom\" width=\"600\" height=\"425\" class=\"size-full wp-image-48765\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-broom.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-broom-400x283.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Mars images courtesy NASA/JPL-Caltech/MSSS\u003c/figcaption>\u003c/figure>\n\u003cp>And while previous rovers had little grinding tools to function like the hammer and chisel in my field pack, Curiosity has a proper rock drill. They'll be testing it for the first time in coming weeks, somewhere in this car-sized piece of landscape named John Klein.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-drillsite/\" rel=\"attachment wp-att-48767\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-drillsite.jpg\" alt=\"\" title=\"mars-drillsite\" width=\"600\" height=\"456\" class=\"aligncenter size-full wp-image-48767\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-400x304.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>Until they can send a \u003ca href=\"http://ww2.kqed.org/quest/2012/02/23/gigapans-panoramas-that-bring-you-all-the-way-there/\">Gigapan\u003c/a> outfit to Mars for a really huge, zoomable picture, the \u003ca href=\"http://photojournal.jpl.nasa.gov/jpeg/PIA16567.jpg\">full-size version of this image on the NASA website\u003c/a> at 3483 by 2651 pixels will be the state of the art.\u003c/p>\n\u003cp>The rocks in this part of Mars, on the floor of Gale crater, are full of minerals and features that testify to the chemical action of water. Here's a closeup from an outcrop called Sheepbed.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-sheepbed/\" rel=\"attachment wp-att-48763\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-sheepbed.jpg\" alt=\"\" title=\"mars-sheepbed\" width=\"600\" height=\"450\" class=\"aligncenter size-full wp-image-48763\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-sheepbed.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-sheepbed-400x300.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>To all appearances it's a fine-grained sandstone, shot with veins of gypsum (\u003ca href=\"http://ww2.kqed.org/quest/2012/01/05/a-most-earthly-mineral-on-mars/\">like those I showed you last year\u003c/a>) and tiny \u003ca href=\"http://ww2.kqed.org/quest/2012/01/12/confounding-concretions/\">concretions\u003c/a> of hematite, a hydrated iron oxide. Larger concretions lie in the surrounding dirt.\u003c/p>\n\u003cp>Elsewhere, the rover has shown us clear examples of crossbedding.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-crossbeds/\" rel=\"attachment wp-att-48766\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-crossbeds.jpg\" alt=\"\" title=\"mars-crossbeds\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-48766\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-crossbeds.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-crossbeds-400x267.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>Crossbeds testify to not just the presence of water, but its physical actionrushing rivulets that sent large ripples of sand down their streambeds. Each crossbed represents the root of a ripple, spared from erosion in a setting where sediment was brought in faster than it was taken away. (Wind-blown sand dunes also make crossbeds, but the particles involved are much smaller.)\u003c/p>\n\u003cp>So, back to the drilling site at John Klein. I look at this detail and have several questions about it.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-drillsite-veins/\" rel=\"attachment wp-att-48769\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-drillsite-veins.jpg\" alt=\"\" title=\"mars-drillsite-veins\" width=\"600\" height=\"427\" class=\"aligncenter size-full wp-image-48769\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-veins.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-veins-400x285.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>I see curving veins cropping out of the surface. The Curiosity team claims that \"some of the veins have two walls and an eroded interior.\" I think they look more like double veins, but the rover will help us decide. Why are they protruding, and why is the surface around them so flat? The whole surface gives the impression of having been gently swept for a very long timenot strongly enough to streamline anything, but enough to winnow away the finest material as it works loose under Mars' 100°C daily temperature swings. What do the veins consist of, and why do they curve so tantalizingly?\u003c/p>\n\u003cp>Curiosity's camera is too far away to confirm or deny that curvature, and its x-ray instrument cannot yet tell us whether the veins are gypsum. So for now I can indulge in the hypothesis that we may be seeing the curving forms of \u003ca href=\"http://geology.about.com/od/fossilbasics/ss/Pseudofossils_5.htm\">liesegang structures\u003c/a>, which you've probably noticed many times without knowing their name.\u003c/p>\n\u003cfigure id=\"attachment_48764\" class=\"wp-caption aligncenter\" style=\"max-width: 600px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/liesegangs/\" rel=\"attachment wp-att-48764\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/liesegangs.jpg\" alt=\"\" title=\"liesegangs\" width=\"600\" height=\"465\" class=\"size-full wp-image-48764\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/liesegangs.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/liesegangs-400x310.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Liesegang bands in an Oakland street rock. Photo by Andrew Alden\u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cp>Liesegang (LEEZ-gahng) structures are thin waves of iron-oxide minerals found in porous rocks where chemically active groundwater has come and gone. In Earth rocks they may or may not affect a stone's strength, or the difference may not matter in the abrasive environment of a riverbed, like this example. But we already know that the right minerals exist on Mars, making up the concretions. Perhaps, under the utterly different conditions of Mars, these homely features can emerge to display their thin, curving, multiple form to Curiosity's eyes and toolkit.\u003c/p>\n\n","blocks":[],"excerpt":"As Curiosity gets ready to use its rock drill for the first time, we can hypothesize on what it will find.","status":"publish","parent":0,"modified":1360963968,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":19,"wordCount":760},"headData":{"title":"Placing a Bet on the Surface of Mars | KQED","description":"As Curiosity gets ready to use its rock drill for the first time, we can hypothesize on what it will find.","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"Placing a Bet on the Surface of Mars","datePublished":"2013-01-17T20:22:23.000Z","dateModified":"2013-02-15T21:32:48.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"48762 http://science.kqed.org/quest/?p=48762","disqusUrl":"https://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/","disqusTitle":"Placing a Bet on the Surface of Mars","path":"/quest/48762/placing-a-bet-on-the-surface-of-mars","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cp>Mars has been on my radar for a very long time, since the astonishing day back in 1965 when Mariner 10 first sent back a picture of craters on its surface. So I'm not a Johnny-come-lately to the red planet. I've followed the news from every Mars mission, orbiters and landers alike. But Curiosity, the most recent robot rover, has especially piqued my curiosity as a geologist. I think there are two reasons: the darn thing has finally become a decent field assistant, and NASA is sending it to some of Mars' most Earthlike places. So let me channel the late Huell Howser here and share some of what makes me go, \"That's amazing!\"\u003c/p>\n\u003cp>Unlike most previous landers, Curiosity has decent vision, about as good as my pocket camera. Its pictures actually look good on my desktop display, no longer like a frame grab from an old videocassette. Curiosity is a lot sturdier toobig, quick on its feetand smarter.\u003c/p>\n\u003cp>It's got a nice hand lens, better than mine, that offers almost-microscopic closeups. It has a shovel, like lots of its predecessors did. One of my worst frustrations in watching Mars robots over the years was wishing I could lean in and just blow the dust off of things. Lo and behold, this rover packs a broom! \u003c/p>\n\u003cfigure id=\"attachment_48765\" class=\"wp-caption aligncenter\" style=\"max-width: 600px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-broom/\" rel=\"attachment wp-att-48765\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-broom.jpg\" alt=\"\" title=\"mars-broom\" width=\"600\" height=\"425\" class=\"size-full wp-image-48765\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-broom.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-broom-400x283.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Mars images courtesy NASA/JPL-Caltech/MSSS\u003c/figcaption>\u003c/figure>\n\u003cp>And while previous rovers had little grinding tools to function like the hammer and chisel in my field pack, Curiosity has a proper rock drill. They'll be testing it for the first time in coming weeks, somewhere in this car-sized piece of landscape named John Klein.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-drillsite/\" rel=\"attachment wp-att-48767\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-drillsite.jpg\" alt=\"\" title=\"mars-drillsite\" width=\"600\" height=\"456\" class=\"aligncenter size-full wp-image-48767\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-400x304.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>Until they can send a \u003ca href=\"http://ww2.kqed.org/quest/2012/02/23/gigapans-panoramas-that-bring-you-all-the-way-there/\">Gigapan\u003c/a> outfit to Mars for a really huge, zoomable picture, the \u003ca href=\"http://photojournal.jpl.nasa.gov/jpeg/PIA16567.jpg\">full-size version of this image on the NASA website\u003c/a> at 3483 by 2651 pixels will be the state of the art.\u003c/p>\n\u003cp>The rocks in this part of Mars, on the floor of Gale crater, are full of minerals and features that testify to the chemical action of water. Here's a closeup from an outcrop called Sheepbed.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-sheepbed/\" rel=\"attachment wp-att-48763\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-sheepbed.jpg\" alt=\"\" title=\"mars-sheepbed\" width=\"600\" height=\"450\" class=\"aligncenter size-full wp-image-48763\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-sheepbed.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-sheepbed-400x300.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>To all appearances it's a fine-grained sandstone, shot with veins of gypsum (\u003ca href=\"http://ww2.kqed.org/quest/2012/01/05/a-most-earthly-mineral-on-mars/\">like those I showed you last year\u003c/a>) and tiny \u003ca href=\"http://ww2.kqed.org/quest/2012/01/12/confounding-concretions/\">concretions\u003c/a> of hematite, a hydrated iron oxide. Larger concretions lie in the surrounding dirt.\u003c/p>\n\u003cp>Elsewhere, the rover has shown us clear examples of crossbedding.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-crossbeds/\" rel=\"attachment wp-att-48766\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-crossbeds.jpg\" alt=\"\" title=\"mars-crossbeds\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-48766\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-crossbeds.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-crossbeds-400x267.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>Crossbeds testify to not just the presence of water, but its physical actionrushing rivulets that sent large ripples of sand down their streambeds. Each crossbed represents the root of a ripple, spared from erosion in a setting where sediment was brought in faster than it was taken away. (Wind-blown sand dunes also make crossbeds, but the particles involved are much smaller.)\u003c/p>\n\u003cp>So, back to the drilling site at John Klein. I look at this detail and have several questions about it.\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/mars-drillsite-veins/\" rel=\"attachment wp-att-48769\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/mars-drillsite-veins.jpg\" alt=\"\" title=\"mars-drillsite-veins\" width=\"600\" height=\"427\" class=\"aligncenter size-full wp-image-48769\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-veins.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/mars-drillsite-veins-400x285.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003c/p>\n\u003cp>I see curving veins cropping out of the surface. The Curiosity team claims that \"some of the veins have two walls and an eroded interior.\" I think they look more like double veins, but the rover will help us decide. Why are they protruding, and why is the surface around them so flat? The whole surface gives the impression of having been gently swept for a very long timenot strongly enough to streamline anything, but enough to winnow away the finest material as it works loose under Mars' 100°C daily temperature swings. What do the veins consist of, and why do they curve so tantalizingly?\u003c/p>\n\u003cp>Curiosity's camera is too far away to confirm or deny that curvature, and its x-ray instrument cannot yet tell us whether the veins are gypsum. So for now I can indulge in the hypothesis that we may be seeing the curving forms of \u003ca href=\"http://geology.about.com/od/fossilbasics/ss/Pseudofossils_5.htm\">liesegang structures\u003c/a>, which you've probably noticed many times without knowing their name.\u003c/p>\n\u003cfigure id=\"attachment_48764\" class=\"wp-caption aligncenter\" style=\"max-width: 600px\">\u003ca href=\"http://ww2.kqed.org/quest/2013/01/17/placing-a-bet-on-the-surface-of-mars/liesegangs/\" rel=\"attachment wp-att-48764\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2013/01/liesegangs.jpg\" alt=\"\" title=\"liesegangs\" width=\"600\" height=\"465\" class=\"size-full wp-image-48764\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2013/01/liesegangs.jpg 600w, https://ww2.kqed.org/app/uploads/sites/39/2013/01/liesegangs-400x310.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Liesegang bands in an Oakland street rock. Photo by Andrew Alden\u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cp>Liesegang (LEEZ-gahng) structures are thin waves of iron-oxide minerals found in porous rocks where chemically active groundwater has come and gone. In Earth rocks they may or may not affect a stone's strength, or the difference may not matter in the abrasive environment of a riverbed, like this example. But we already know that the right minerals exist on Mars, making up the concretions. Perhaps, under the utterly different conditions of Mars, these homely features can emerge to display their thin, curving, multiple form to Curiosity's eyes and toolkit.\u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/48762/placing-a-bet-on-the-surface-of-mars","authors":["6228"],"categories":["quest_3","quest_11"],"tags":["quest_10617","quest_742","quest_10609","quest_11685","quest_1751","quest_9996","quest_13202"],"featImg":"quest_48768","label":"quest"},"quest_47542":{"type":"posts","id":"quest_47542","meta":{"index":"posts_1591205157","site":"quest","id":"47542","score":null,"sort":[1354295952000]},"guestAuthors":[],"slug":"still-curious-about-mars-in-2012","title":"Still Curious About Mars in 2012","publishDate":1354295952,"format":"aside","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_47544\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/11/30/still-curious-about-mars-in-2012/pia14156/\" rel=\"attachment wp-att-47544\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/11/PIA14156.jpg\" alt=\"Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\" title=\"Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\" width=\"640\" height=\"360\" class=\"size-full wp-image-47544\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/11/PIA14156.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/11/PIA14156-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\u003c/figcaption>\u003c/figure>\n\u003cp>We've been thinking about life on Mars for a long, long time.\u003c/p>\n\u003cp>At first it was easy. Before the telescope, Mars was a brilliant spark of orange light that moved about the sky with the other planets, seemingly with a life of its own. Its light grew and faded as its distance changed, and it would routinely reverse its course through the stars in retrograde ebbs. Long ago, many cultures saw Mars, and the other visible planets, as living beings themselves: deities that journeyed through the heavens.\u003c/p>\n\u003cp>After the invention of the telescope, and especially in the late 19th-century when they got powerful enough to see some details on Mars' face, it was still pretty easy to think about Mars and life, though life on Mars, and not Mars as a living being, was the main fare for the imagination. Polar ice caps reminiscent of Earth's and perceptible surface markings and color variations, both of which changed in extent and detail with Martian seasons, seemed to make Mars—or the human imagination—pulse with life. Fiction writers and scientists alike \u003ca href=\"http://cde.nwc.edu/SCI2108/course_documents/solar_system/innerplanets/mars/lowell/lowell_mars.htm\" title=\"Percival Lowell's Mars\" target=\"_blank\">speculated on the existence\u003c/a> of vegetation, animal life, liquid water, and even intelligent civilizations existent on the Red Planet. \u003c/p>\n\u003cp>But as our telescopes grew even more powerful, and especially when we started sending cameras and telescopes to Mars on robotic spacecraft, imagining Martian life became more challenging. Even the first robots to land on Mars only added to the sterile picture of a lifeless Mars. It seemed that the possibilities of finding life there were drying up like the dusty, rusty, desert planet itself. \u003c/p>\n\u003cp>Last week I heard a rumor, which many of you heard as well, that NASA is preparing to make a big announcement concerning Mars and a recent discovery by the SAM instrument on board the rover Curiosity. People have been asking, \"What big announcement is NASA going to make? Will it really be earth-shaking, as some have suggested?\" \u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>\u003ca href=\"http://www.spaceflightnow.com/mars/msl/121128rumors/\" title=\"Curiosity discovery\" target=\"_blank\">NASA is qualifying the rumor\u003c/a>—which spread through the blogosphere and Twittersphere like cyberfire—with a sober and soundly scientific assessment that the announcement (expected on Monday) will be scientifically interesting, but not earth-shaking. \u003c/p>\n\u003cp>Given that the SAM instrument (a set of chemistry experiments including a mass spectrometer, a laser spectrograph, a gas chromatograph, and a pre-subinertial photomegatronic oscillator—okay, only kidding about the last one) is designed to find organic compounds required by life as we know it, I'd say that the announcement will have something to do with organic compounds. I'm not being flippant; my point is that SAM (and Curiosity for that matter) was not designed to find life, fossils, remains or excrements of life, or even megalithic pyramids created by intelligent civilizations. (Although, the latter would certainly show up on one of Curiosity's cameras if it were pointed in the right direction….)\u003c/p>\n\u003cp>Curiosity was sent to Mars to assess the suitability for life in Mars' past. Other missions (Spirit and Opportunity, Mars Odyssey, Mars Express, and \u003ca href=\"http://www.space.com/18174-mars-water-streals-seasonal-flows.html\" title=\"Seasonal streaks on Mars captured by Mars Reconnaissance Orbiter\" target=\"_blank\">Mars Reconnaissance Orbiter\u003c/a>) have revealed that liquid water, one basic requirement for life as we know it, very likely once flowed on Mars. But life (AWKI) also requires the right mix of organic compounds—compounds of nitrogen, oxygen, hydrogen, and carbon—to emerge, form, and thrive. \u003c/p>\n\u003cp>That is Curiosity's charge, a mission that will unfold over the next two years as the rover climbs the slopes of Mount Sharp, a huge pile of sedimentary layers formed over the last 2 billion years or so--the very pages of the book of Mars' geologic history. Read on, Curiosity, read on!\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>I think the wildfire of speculation, the furor of questing curiosity that erupted and became amplified by cyberspace, is an indication that we, as a culture and a species, are still looking for life on our neighbor planet; still hunting for life there, still wanting, hoping, to find it. I'm optimistic that we may find it, eventually—and in the meantime, I only have to wait until Monday to hear the latest from NASA, whatever exactly that will be. \u003c/p>\n\n","blocks":[],"excerpt":"NASA is preparing to make a big announcement concerning Mars and a recent discovery by the SAM instrument on board the rover Curiosity, though has qualified the nature of the announcement to scientifically interesting, and not \"earth-shaking\" as the blogosphere has hyped it in speculation.","status":"publish","parent":0,"modified":1370998212,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":12,"wordCount":702},"headData":{"title":"Still Curious About Mars in 2012 | KQED","description":"NASA is preparing to make a big announcement concerning Mars and a recent discovery by the SAM instrument on board the rover Curiosity, though has qualified the nature of the announcement to scientifically interesting, and not "earth-shaking" as the blogosphere has hyped it in speculation.","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"Still Curious About Mars in 2012","datePublished":"2012-11-30T17:19:12.000Z","dateModified":"2013-06-12T00:50:12.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"47542 http://science.kqed.org/quest/?p=47542","disqusUrl":"https://ww2.kqed.org/quest/2012/11/30/still-curious-about-mars-in-2012/","disqusTitle":"Still Curious About Mars in 2012","path":"/quest/47542/still-curious-about-mars-in-2012","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_47544\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/11/30/still-curious-about-mars-in-2012/pia14156/\" rel=\"attachment wp-att-47544\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/11/PIA14156.jpg\" alt=\"Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\" title=\"Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\" width=\"640\" height=\"360\" class=\"size-full wp-image-47544\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/11/PIA14156.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/11/PIA14156-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Artist illustration of NASA's Mars Science Laboratory rover, Curiosity.\u003c/figcaption>\u003c/figure>\n\u003cp>We've been thinking about life on Mars for a long, long time.\u003c/p>\n\u003cp>At first it was easy. Before the telescope, Mars was a brilliant spark of orange light that moved about the sky with the other planets, seemingly with a life of its own. Its light grew and faded as its distance changed, and it would routinely reverse its course through the stars in retrograde ebbs. Long ago, many cultures saw Mars, and the other visible planets, as living beings themselves: deities that journeyed through the heavens.\u003c/p>\n\u003cp>After the invention of the telescope, and especially in the late 19th-century when they got powerful enough to see some details on Mars' face, it was still pretty easy to think about Mars and life, though life on Mars, and not Mars as a living being, was the main fare for the imagination. Polar ice caps reminiscent of Earth's and perceptible surface markings and color variations, both of which changed in extent and detail with Martian seasons, seemed to make Mars—or the human imagination—pulse with life. Fiction writers and scientists alike \u003ca href=\"http://cde.nwc.edu/SCI2108/course_documents/solar_system/innerplanets/mars/lowell/lowell_mars.htm\" title=\"Percival Lowell's Mars\" target=\"_blank\">speculated on the existence\u003c/a> of vegetation, animal life, liquid water, and even intelligent civilizations existent on the Red Planet. \u003c/p>\n\u003cp>But as our telescopes grew even more powerful, and especially when we started sending cameras and telescopes to Mars on robotic spacecraft, imagining Martian life became more challenging. Even the first robots to land on Mars only added to the sterile picture of a lifeless Mars. It seemed that the possibilities of finding life there were drying up like the dusty, rusty, desert planet itself. \u003c/p>\n\u003cp>Last week I heard a rumor, which many of you heard as well, that NASA is preparing to make a big announcement concerning Mars and a recent discovery by the SAM instrument on board the rover Curiosity. People have been asking, \"What big announcement is NASA going to make? Will it really be earth-shaking, as some have suggested?\" \u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>\u003ca href=\"http://www.spaceflightnow.com/mars/msl/121128rumors/\" title=\"Curiosity discovery\" target=\"_blank\">NASA is qualifying the rumor\u003c/a>—which spread through the blogosphere and Twittersphere like cyberfire—with a sober and soundly scientific assessment that the announcement (expected on Monday) will be scientifically interesting, but not earth-shaking. \u003c/p>\n\u003cp>Given that the SAM instrument (a set of chemistry experiments including a mass spectrometer, a laser spectrograph, a gas chromatograph, and a pre-subinertial photomegatronic oscillator—okay, only kidding about the last one) is designed to find organic compounds required by life as we know it, I'd say that the announcement will have something to do with organic compounds. I'm not being flippant; my point is that SAM (and Curiosity for that matter) was not designed to find life, fossils, remains or excrements of life, or even megalithic pyramids created by intelligent civilizations. (Although, the latter would certainly show up on one of Curiosity's cameras if it were pointed in the right direction….)\u003c/p>\n\u003cp>Curiosity was sent to Mars to assess the suitability for life in Mars' past. Other missions (Spirit and Opportunity, Mars Odyssey, Mars Express, and \u003ca href=\"http://www.space.com/18174-mars-water-streals-seasonal-flows.html\" title=\"Seasonal streaks on Mars captured by Mars Reconnaissance Orbiter\" target=\"_blank\">Mars Reconnaissance Orbiter\u003c/a>) have revealed that liquid water, one basic requirement for life as we know it, very likely once flowed on Mars. But life (AWKI) also requires the right mix of organic compounds—compounds of nitrogen, oxygen, hydrogen, and carbon—to emerge, form, and thrive. \u003c/p>\n\u003cp>That is Curiosity's charge, a mission that will unfold over the next two years as the rover climbs the slopes of Mount Sharp, a huge pile of sedimentary layers formed over the last 2 billion years or so--the very pages of the book of Mars' geologic history. Read on, Curiosity, read on!\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>I think the wildfire of speculation, the furor of questing curiosity that erupted and became amplified by cyberspace, is an indication that we, as a culture and a species, are still looking for life on our neighbor planet; still hunting for life there, still wanting, hoping, to find it. I'm optimistic that we may find it, eventually—and in the meantime, I only have to wait until Monday to hear the latest from NASA, whatever exactly that will be. \u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/47542/still-curious-about-mars-in-2012","authors":["6180"],"categories":["quest_3"],"tags":["quest_544","quest_742","quest_1656","quest_1751","quest_1918","quest_2088","quest_13202","quest_11633"],"featImg":"quest_47544","label":"quest"},"quest_45570":{"type":"posts","id":"quest_45570","meta":{"index":"posts_1591205157","site":"quest","id":"45570","score":null,"sort":[1349449226000]},"guestAuthors":[],"slug":"news-from-mars-a-river-ran-through-it","title":"News From Mars: A River Ran Through It","publishDate":1349449226,"format":"aside","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_45577\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/10/05/news-from-mars-a-river-ran-through-it/marsgravel-3/\" rel=\"attachment wp-att-45577\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/10/marsgravel2.jpg\" alt=\"Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\" title=\"Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\" width=\"640\" height=\"360\" class=\"size-full wp-image-45577\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/10/marsgravel2.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/10/marsgravel2-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\u003c/figcaption>\u003c/figure>\n\u003cp>The news from Mars just keeps getting better. NASA's Curiosity rover, now exploring the alluvium at the base of Mount Sharp in Gale Crater for over two months, \u003ca href=\"http://mars.jpl.nasa.gov/msl/news/whatsnew/index.cfm?FuseAction=ShowNews&NewsID=1360\" title=\"NASA MSL News Release\" target=\"_blank\">has struck pay dirt\u003c/a>: the gravel and river stone conglomerate laid down by an ancient Martian stream!\u003c/p>\n\u003cp>Hearing that bit of news was tantalizing, and seeing the photographic evidence a true thrill for someone who loves scratching around in the rocks and sand of the desert, looking for signs and clues of the geologic history of the place. Death Valley is my favorite hunting ground for signs of water--and why, you might ask, would I go looking for water in a desert? To that I would answer, looking for signs of water in a lake or river is just too darned easy.\u003c/p>\n\u003cp>The pictorial evidence in question is a bed of gravel and rounded stones bound together by finer material that has solidified over time. The conglomerate rock is similar to examples of sediment found on Earth: solid layers a lot like very coarse concrete. The materials were washed down by river or stream action, transported from the locations where they originally eroded, and in the process of tumbling along with the flow the larger stones becoming rounded and smoothed.\u003c/p>\n\u003cp>On Mars, at the site of Curiosity's find near the bottom of a large alluvial fan (the pile of material deposited by stream action at the bottom end of a downhill flow), the layer of conglomerate material has been broken and upturned for the rover to see and examine—possibly by a meteorite impact in the past. Were it not for whatever had broken and exposed the layer, Curiosity's wheels may have rolled right over it, inches from the great find but unaware of it laying there under topsoil. From the size and appearance of the rocks in the conglomerate—from sand grain to golf ball sized—scientists estimate that the water which deposited the material probably moved along at a speed of three feet per second, and was anywhere from a few inches to two or three feet deep. \u003c/p>\n\u003cp>I recall some interesting formations out in the deserts of Northern Arizona, where I lived for a few years, which the Curiosity report from NASA reminded me of. In one particular spot, somewhere east of Flagstaff and maybe west of Winslow, are what I call \"petrified rivers\". Snaking around the flat desert just off the north shoulder of Interstate 40 is a winding network of raised \"roadways\" of rock, rising a foot or two off the ground and meandering about in the pattern of flowing streams. I learned that these features are sedimentary conglomerate rock laid down by streams that flowed there in the past and solidified over time. Then, long after the water stopped flowing as the region dried out, erosion by wind and rainfall gradually wore away the softer surrounding soils, leaving the harder streambed conglomerates intact, exposed for anyone passing on the Interstate to see and wonder about.\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>The water-laid conglomerate stone on Mars that Curiosity happened upon is a first. There has previously been plenty of evidence letting us speculate about past liquid water on Mars, from drainage channels viewed from orbit to various minerals found on the ground to ice buried under Mars' surface, but this new find is the first concrete evidence (so to speak) for actual water-transported material. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>As always, each new discovery like this makes me ask, \"what's next?\" Really, I may be leaping too far ahead of conservative speculation here, but personally I'm hoping to see fossils….\u003c/p>\n\n","blocks":[],"excerpt":"NASA's Curiosity rover, now exploring the alluvium at the base of Mount Sharp in Gale Crater for over two months, has struck pay dirt: the gravel and river stone conglomerate laid down by an ancient Martian stream!","status":"publish","parent":0,"modified":1370998350,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":9,"wordCount":621},"headData":{"title":"News From Mars: A River Ran Through It | KQED","description":"NASA's Curiosity rover, now exploring the alluvium at the base of Mount Sharp in Gale Crater for over two months, has struck pay dirt: the gravel and river stone conglomerate laid down by an ancient Martian stream!","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"News From Mars: A River Ran Through It","datePublished":"2012-10-05T15:00:26.000Z","dateModified":"2013-06-12T00:52:30.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"45570 http://science.kqed.org/quest/?p=45570","disqusUrl":"https://ww2.kqed.org/quest/2012/10/05/news-from-mars-a-river-ran-through-it/","disqusTitle":"News From Mars: A River Ran Through It","path":"/quest/45570/news-from-mars-a-river-ran-through-it","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_45577\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/10/05/news-from-mars-a-river-ran-through-it/marsgravel-3/\" rel=\"attachment wp-att-45577\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/10/marsgravel2.jpg\" alt=\"Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\" title=\"Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\" width=\"640\" height=\"360\" class=\"size-full wp-image-45577\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/10/marsgravel2.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/10/marsgravel2-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Mars streambed conglomerate compared to example on Earth. Credit: NASA/Mars Science Laboratory\u003c/figcaption>\u003c/figure>\n\u003cp>The news from Mars just keeps getting better. NASA's Curiosity rover, now exploring the alluvium at the base of Mount Sharp in Gale Crater for over two months, \u003ca href=\"http://mars.jpl.nasa.gov/msl/news/whatsnew/index.cfm?FuseAction=ShowNews&NewsID=1360\" title=\"NASA MSL News Release\" target=\"_blank\">has struck pay dirt\u003c/a>: the gravel and river stone conglomerate laid down by an ancient Martian stream!\u003c/p>\n\u003cp>Hearing that bit of news was tantalizing, and seeing the photographic evidence a true thrill for someone who loves scratching around in the rocks and sand of the desert, looking for signs and clues of the geologic history of the place. Death Valley is my favorite hunting ground for signs of water--and why, you might ask, would I go looking for water in a desert? To that I would answer, looking for signs of water in a lake or river is just too darned easy.\u003c/p>\n\u003cp>The pictorial evidence in question is a bed of gravel and rounded stones bound together by finer material that has solidified over time. The conglomerate rock is similar to examples of sediment found on Earth: solid layers a lot like very coarse concrete. The materials were washed down by river or stream action, transported from the locations where they originally eroded, and in the process of tumbling along with the flow the larger stones becoming rounded and smoothed.\u003c/p>\n\u003cp>On Mars, at the site of Curiosity's find near the bottom of a large alluvial fan (the pile of material deposited by stream action at the bottom end of a downhill flow), the layer of conglomerate material has been broken and upturned for the rover to see and examine—possibly by a meteorite impact in the past. Were it not for whatever had broken and exposed the layer, Curiosity's wheels may have rolled right over it, inches from the great find but unaware of it laying there under topsoil. From the size and appearance of the rocks in the conglomerate—from sand grain to golf ball sized—scientists estimate that the water which deposited the material probably moved along at a speed of three feet per second, and was anywhere from a few inches to two or three feet deep. \u003c/p>\n\u003cp>I recall some interesting formations out in the deserts of Northern Arizona, where I lived for a few years, which the Curiosity report from NASA reminded me of. In one particular spot, somewhere east of Flagstaff and maybe west of Winslow, are what I call \"petrified rivers\". Snaking around the flat desert just off the north shoulder of Interstate 40 is a winding network of raised \"roadways\" of rock, rising a foot or two off the ground and meandering about in the pattern of flowing streams. I learned that these features are sedimentary conglomerate rock laid down by streams that flowed there in the past and solidified over time. Then, long after the water stopped flowing as the region dried out, erosion by wind and rainfall gradually wore away the softer surrounding soils, leaving the harder streambed conglomerates intact, exposed for anyone passing on the Interstate to see and wonder about.\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>The water-laid conglomerate stone on Mars that Curiosity happened upon is a first. There has previously been plenty of evidence letting us speculate about past liquid water on Mars, from drainage channels viewed from orbit to various minerals found on the ground to ice buried under Mars' surface, but this new find is the first concrete evidence (so to speak) for actual water-transported material. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>As always, each new discovery like this makes me ask, \"what's next?\" Really, I may be leaping too far ahead of conservative speculation here, but personally I'm hoping to see fossils….\u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/45570/news-from-mars-a-river-ran-through-it","authors":["6180"],"categories":["quest_3"],"tags":["quest_544","quest_3528","quest_742","quest_10259","quest_1751","quest_11516","quest_13202","quest_10016","quest_2457","quest_3108"],"featImg":"quest_45572","label":"quest"},"quest_42977":{"type":"posts","id":"quest_42977","meta":{"index":"posts_1591205157","site":"quest","id":"42977","score":null,"sort":[1345829620000]},"guestAuthors":[],"slug":"nasas-new-mars-rover-armed-and-curious","title":"NASA's New Mars Rover: Armed and Curious","publishDate":1345829620,"format":"standard","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_42985\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/24/nasas-new-mars-rover-armed-and-curious/armedandcurious/\" rel=\"attachment wp-att-42985\">\u003cimg class=\"size-full wp-image-42985\" title=\"NASA's Mars Science Laboratory and ChemCam\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/armedandcurious.jpg\" alt=\"NASA's Mars Science Laboratory and ChemCam\" width=\"640\" height=\"360\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/armedandcurious.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/armedandcurious-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">NASA's Mars Science Laboratory and ChemCam\u003c/figcaption>\u003c/figure>\n\u003cp>Space exploration has caught up with science fiction (again): we have deployed laser-armed nuclear-powered robot on Mars, and nearly two weeks after landing, NASA's Mars Science Laboratory, the rover Curiosity, has fired that weapon on a Martian...rock.\u003c/p>\n\u003cp>Certain images from sci-fi classics come to mind. Remember, \"The Day the Earth Stood Still\" when \u003ca title=\"Gort\" href=\"http://upload.wikimedia.org/wikipedia/en/0/03/Gort_Firing.jpg\" target=\"_blank\">Gort\u003c/a>, the golem-like space-cop-bot, went about melting soldiers' rifles with an incinerating ray? Recall how the Robinsons became \"lost in space\" when their reprogrammed automaton when berserk with its electric bolts? And who can forget when dear old R2D2 finally let slip that he/she/it is armed and dangerous when he/she/it zapped the little gremlin from the planet FrankOz? This \u003cem>is\u003c/em> the droid you want...Ah, good times.\u003c/p>\n\u003cp>The rover Curiosity is equipped with ten different scientific experiments, perhaps the flashiest one being a spectrometer. A spectrometer sorts and analyzes the wavelengths (colors) of light emitted by an object: the light's spectrum. Every chemical element and compound shines a unique spectrum, so sorting out the different wavelengths present reveals the source's composition.\u003c/p>\n\u003cp>Spectrometers are a powerful tool for astronomers and geologists alike. We first learned that stars are composed mostly of hydrogen and helium through spectroscopic measurements, and in the same way we also detected the presence of dozens of other chemicals on the sun. (As an aside, helium was named for the sun—Helios, in Greek—because it was detected there by spectrometers before it was discovered on Earth.)\u003c/p>\n\u003cp>But in an environment like Mars, where the visible light shining from the rocks and soil of the landscape is merely reflected sunlight, using a spectrometer doesn't tell you much about the composition of the rocks and soil! That's where the dangerous, high-powered laser comes in. By firing the laser on a rock or a spot of soil, a small bit of it is vaporized and glows with its own light. Then, Curiosity's spectrometer can do its work and analyze the emitted light.\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>And that's just what it did, for the first time, on August 19, firing its laser multiple times on a spot on \u003ca title=\"ChemCam target practice\" href=\"http://science.nasa.gov/media/medialibrary/2012/08/20/laserspot_strip2.jpg/image_full\" target=\"_blank\">a nearby rock\u003c/a> and sending the \u003ca title=\"ChemCam spectral analysis\" href=\"http://www.nasa.gov/mission_pages/msl/multimedia/pia16089.html\" target=\"_blank\">resulting spectrum\u003c/a> back to Earth.\u003c/p>\n\u003cp>This first shot fired on Mars made for a nice harvest of chemistry: titanium, manganese, calcium, iron, aluminum, silicon, carbon and hydrogen—no big surprises; we already knew that Mars isn't composed of unobtanium, but the same chemicals and minerals that make up the Earth. The sample fired upon turns out to be a form of basalt, a volcanic rock common on Mars.\u003c/p>\n\u003cp>As Curiosity makes its way up the slopes of sediments that make up Mt. Sharp, the tall mountain in the center of Gale Crater, the rover's landing site, it will use the laser and spectrometer, along with its array of other chemistry experiments, to build up a picture of Mars' geologic history, sorting out what minerals were most abundant at what times in the past. The aim is to build a clear timeline of Mars' transformation from its once warmer, wetter stages to its present state as a cold, dry desert.\u003c/p>\n\u003cp>It's exciting to think that, as Curiosity rolls up the mountain, moving from the most ancient layers of sediment upward through the eons toward today's Mars, its wheels will be treading the materials left behind by Mars' past environments and climates.\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>And, if life ever arose on the Red Planet and left behind telltale chemicals, those wheels will make contact with Martians! (Sort of.) Imagine the light that laser will shed on our perception of Mars once and if Curiosity delivers the news that, yes, there is (or was) life out there. \u003c/p>\n\n","blocks":[],"excerpt":"Space exploration has caught up with science fiction (again): we have deployed laser-armed nuclear-powered robot on Mars, and nearly two weeks after landing, NASA's Mars Science Laboratory, the rover Curiosity, has fired that weapon on a Martian rock.","status":"publish","parent":0,"modified":1370998464,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":12,"wordCount":639},"headData":{"title":"NASA's New Mars Rover: Armed and Curious | KQED","description":"Space exploration has caught up with science fiction (again): we have deployed laser-armed nuclear-powered robot on Mars, and nearly two weeks after landing, NASA's Mars Science Laboratory, the rover Curiosity, has fired that weapon on a Martian rock.","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"NASA's New Mars Rover: Armed and Curious","datePublished":"2012-08-24T17:33:40.000Z","dateModified":"2013-06-12T00:54:24.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"42977 http://science.kqed.org/quest/?p=42977","disqusUrl":"https://ww2.kqed.org/quest/2012/08/24/nasas-new-mars-rover-armed-and-curious/","disqusTitle":"NASA's New Mars Rover: Armed and Curious","path":"/quest/42977/nasas-new-mars-rover-armed-and-curious","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_42985\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/24/nasas-new-mars-rover-armed-and-curious/armedandcurious/\" rel=\"attachment wp-att-42985\">\u003cimg class=\"size-full wp-image-42985\" title=\"NASA's Mars Science Laboratory and ChemCam\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/armedandcurious.jpg\" alt=\"NASA's Mars Science Laboratory and ChemCam\" width=\"640\" height=\"360\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/armedandcurious.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/armedandcurious-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">NASA's Mars Science Laboratory and ChemCam\u003c/figcaption>\u003c/figure>\n\u003cp>Space exploration has caught up with science fiction (again): we have deployed laser-armed nuclear-powered robot on Mars, and nearly two weeks after landing, NASA's Mars Science Laboratory, the rover Curiosity, has fired that weapon on a Martian...rock.\u003c/p>\n\u003cp>Certain images from sci-fi classics come to mind. Remember, \"The Day the Earth Stood Still\" when \u003ca title=\"Gort\" href=\"http://upload.wikimedia.org/wikipedia/en/0/03/Gort_Firing.jpg\" target=\"_blank\">Gort\u003c/a>, the golem-like space-cop-bot, went about melting soldiers' rifles with an incinerating ray? Recall how the Robinsons became \"lost in space\" when their reprogrammed automaton when berserk with its electric bolts? And who can forget when dear old R2D2 finally let slip that he/she/it is armed and dangerous when he/she/it zapped the little gremlin from the planet FrankOz? This \u003cem>is\u003c/em> the droid you want...Ah, good times.\u003c/p>\n\u003cp>The rover Curiosity is equipped with ten different scientific experiments, perhaps the flashiest one being a spectrometer. A spectrometer sorts and analyzes the wavelengths (colors) of light emitted by an object: the light's spectrum. Every chemical element and compound shines a unique spectrum, so sorting out the different wavelengths present reveals the source's composition.\u003c/p>\n\u003cp>Spectrometers are a powerful tool for astronomers and geologists alike. We first learned that stars are composed mostly of hydrogen and helium through spectroscopic measurements, and in the same way we also detected the presence of dozens of other chemicals on the sun. (As an aside, helium was named for the sun—Helios, in Greek—because it was detected there by spectrometers before it was discovered on Earth.)\u003c/p>\n\u003cp>But in an environment like Mars, where the visible light shining from the rocks and soil of the landscape is merely reflected sunlight, using a spectrometer doesn't tell you much about the composition of the rocks and soil! That's where the dangerous, high-powered laser comes in. By firing the laser on a rock or a spot of soil, a small bit of it is vaporized and glows with its own light. Then, Curiosity's spectrometer can do its work and analyze the emitted light.\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>And that's just what it did, for the first time, on August 19, firing its laser multiple times on a spot on \u003ca title=\"ChemCam target practice\" href=\"http://science.nasa.gov/media/medialibrary/2012/08/20/laserspot_strip2.jpg/image_full\" target=\"_blank\">a nearby rock\u003c/a> and sending the \u003ca title=\"ChemCam spectral analysis\" href=\"http://www.nasa.gov/mission_pages/msl/multimedia/pia16089.html\" target=\"_blank\">resulting spectrum\u003c/a> back to Earth.\u003c/p>\n\u003cp>This first shot fired on Mars made for a nice harvest of chemistry: titanium, manganese, calcium, iron, aluminum, silicon, carbon and hydrogen—no big surprises; we already knew that Mars isn't composed of unobtanium, but the same chemicals and minerals that make up the Earth. The sample fired upon turns out to be a form of basalt, a volcanic rock common on Mars.\u003c/p>\n\u003cp>As Curiosity makes its way up the slopes of sediments that make up Mt. Sharp, the tall mountain in the center of Gale Crater, the rover's landing site, it will use the laser and spectrometer, along with its array of other chemistry experiments, to build up a picture of Mars' geologic history, sorting out what minerals were most abundant at what times in the past. The aim is to build a clear timeline of Mars' transformation from its once warmer, wetter stages to its present state as a cold, dry desert.\u003c/p>\n\u003cp>It's exciting to think that, as Curiosity rolls up the mountain, moving from the most ancient layers of sediment upward through the eons toward today's Mars, its wheels will be treading the materials left behind by Mars' past environments and climates.\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>And, if life ever arose on the Red Planet and left behind telltale chemicals, those wheels will make contact with Martians! (Sort of.) Imagine the light that laser will shed on our perception of Mars once and if Curiosity delivers the news that, yes, there is (or was) life out there. \u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/42977/nasas-new-mars-rover-armed-and-curious","authors":["6180"],"categories":["quest_3"],"tags":["quest_544","quest_742","quest_1615","quest_1751","quest_3647","quest_1918","quest_13202","quest_2441"],"featImg":"quest_42985","label":"quest"},"quest_42610":{"type":"posts","id":"quest_42610","meta":{"index":"posts_1591205157","site":"quest","id":"42610","score":null,"sort":[1345042849000]},"guestAuthors":[],"slug":"nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars","title":"NASA's Roving Robotic Chemist Will Collect Clues For Life on Mars","publishDate":1345042849,"format":"standard","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_42612\" class=\"wp-caption alignleft\" style=\"max-width: 300px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/15/nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars/curiosity-resize/\" rel=\"attachment wp-att-42612\">\u003cimg class=\"size-thumbnail wp-image-42612\" title=\"curiosity resize\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/curiosity-resize-300x169.jpg\" alt=\"Curiosity rover\" width=\"300\" height=\"169\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Artist’s rendition of the Mars rover Curiosity, a robotic chemist and geologist. Credit: {link url=\u003c/figcaption>\u003c/figure>\n\u003cp>On August 5, the world was abuzz about a rover named Curiosity landing on Mars. Now that feat of \u003ca href=\"http://www.jpl.nasa.gov/video/index.cfm?id=1090\">masterful engineering\u003c/a> is over, the rover wakes up, starts its instruments and begins its business of chemistry.\u003c/p>\n\u003cp>More specifically, Curiosity is looking for elements and molecules that could be clues to past life on the planet. Elemental analysis is one of the most basic things chemists do, as it helps them figure out products formed in a reaction.\u003c/p>\n\u003cp>In graduate school, I worked in a lab that built complicated molecules that could be potential medicines. I mixed powders and liquids in a flask, waited for a reaction and then set about identifying what I made.\u003c/p>\n\u003cp>Most of the time I started a reaction knowing what the products should be. Sometimes I retrieved those products. Other times the reaction took an unexpected turn and I collected products with too few or too many atoms. That's when the chemical detective work began. Knowing what products the reaction created, I used my knowledge of chemistry, the reaction conditions, and the materials in the flask to guess how those side products might have formed.\u003c/p>\n\u003cp>Curiosity, the wandering robotic chemist, might find molecular products like methane or protein building blocks possibly formed by past life on Mars and now trapped in rocks and minerals. But scientists analyzing the significance of those clues have an extra challenge that I didn’t: They don’t know reaction conditions on the planet, like time, temperature and acidity, which could affect how those products formed.\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>But the minerals themselves, and the planet’s atmosphere, have information to help fill that knowledge gap. The rover vaporizes some rocks with a laser and identifies the elements in the rocks \u003ca href=\"http://blogs.scientificamerican.com/the-curious-wavefunction/2012/08/08/light-crystals-and-a-chemist-called-curiosity/\">based on emitted light\u003c/a>. If a rock contains salts like sodium and potassium, then perhaps it formed in a watery environment. Other elemental indicators tell the scientists if that water was too acidic to support life.\u003c/p>\n\u003cp>A \u003ca href=\"http://arstechnica.com/science/2012/05/carbon-in-rocks-frm-mars-comes-from-volcanoes-not-life/\">recent study \u003c/a>of Martian meteorites used a similar approach to conclude that carbon in the rocks came from volcanoes, not life. The scientists aimed a powerful laser at mineral grains in slices of the meteorite, identifying the elements in the minerals and structure of the carbon-containing compounds. The minerals likely formed in volcanoes; thus the graphite-like clusters inside the grains likely came from volcanoes too.\u003c/p>\n\u003cp>That mystery about the origin of carbon in Martian meteorites took 15 years to solve, because other experiments couldn’t rule out the possibility that the carbon formed while the meteorite sat on Earth.\u003c/p>\n\u003cp>If Curiosity finds molecules that might be evidence for the existence of life as we know it, scientists have to rule out similar contamination issues. Perhaps the molecules formed in the planet’s atmosphere and fell to the surface, or maybe compounds in the soil altered the measurements.\u003c/p>\n\u003cp>Elemental analysis of minerals will help scientists identify the environment on Mars about one to two billion years ago, during the middle of its known life. With those clues to the reaction conditions on the planet, scientists can then work backwards to figure out if the planet could have sustained life. I look forward to following how Curiosity helps scientists unravel \u003ca href=\"http://www.msl-chemcam.com/index.php?menu=inc&page_consult=textes&rubrique=63&sousrubrique=208&soussousrubrique=0&titre_url=Curiosity%20-%20Why%20Mars?\">complex questions\u003c/a> about past habitability on Mars.\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>More reading:\u003cbr>\n1. \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/science/\">Science experiments\u003c/a> on Curiosity, from NASA\u003cbr>\n2. Details of some chemistry instruments on Curiosity:\u003cbr>\n\u003ca href=\"http://www.springerlink.com/content/p26510688kg4q808/fulltext.pdf?MUD=MP\">Sample Analysis at Mars\u003c/a>, identifying carbon-containing compounds using instruments common to many labs here on Earth\u003cbr>\n3. \u003ca href=\"http://www.msl-chemcam.com/index.php?menu=inc&page_consult=textes&rubrique=64&sousrubrique=223&soussousrubrique=0&titre_url=ChemCam%20-%20What%20will%20ChemCam%20tell%20us?\">ChemCam\u003c/a>, studying the composition of rocks on a small scale and looking for interesting places to study with \u003ca href=\"http://msl-scicorner.jpl.nasa.gov/Instruments/CheMin/\">CheMin\u003c/a>\u003c/p>\n\n","blocks":[],"excerpt":"Scientists are looking for elements and molecules that signify life as we know it. But even if they don’t find those molecules, minerals contain important information about the Martian environment. That could help scientists determine if life could have survived on the planet. ","status":"publish","parent":0,"modified":1346782090,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":13,"wordCount":620},"headData":{"title":"NASA's Roving Robotic Chemist Will Collect Clues For Life on Mars | KQED","description":"Scientists are looking for elements and molecules that signify life as we know it. But even if they don’t find those molecules, minerals contain important information about the Martian environment. That could help scientists determine if life could have survived on the planet. ","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"NASA's Roving Robotic Chemist Will Collect Clues For Life on Mars","datePublished":"2012-08-15T15:00:49.000Z","dateModified":"2012-09-04T18:08:10.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"42610 http://science.kqed.org/quest/?p=42610","disqusUrl":"https://ww2.kqed.org/quest/2012/08/15/nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars/","disqusTitle":"NASA's Roving Robotic Chemist Will Collect Clues For Life on Mars","path":"/quest/42610/nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_42612\" class=\"wp-caption alignleft\" style=\"max-width: 300px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/15/nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars/curiosity-resize/\" rel=\"attachment wp-att-42612\">\u003cimg class=\"size-thumbnail wp-image-42612\" title=\"curiosity resize\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/curiosity-resize-300x169.jpg\" alt=\"Curiosity rover\" width=\"300\" height=\"169\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">Artist’s rendition of the Mars rover Curiosity, a robotic chemist and geologist. Credit: {link url=\u003c/figcaption>\u003c/figure>\n\u003cp>On August 5, the world was abuzz about a rover named Curiosity landing on Mars. Now that feat of \u003ca href=\"http://www.jpl.nasa.gov/video/index.cfm?id=1090\">masterful engineering\u003c/a> is over, the rover wakes up, starts its instruments and begins its business of chemistry.\u003c/p>\n\u003cp>More specifically, Curiosity is looking for elements and molecules that could be clues to past life on the planet. Elemental analysis is one of the most basic things chemists do, as it helps them figure out products formed in a reaction.\u003c/p>\n\u003cp>In graduate school, I worked in a lab that built complicated molecules that could be potential medicines. I mixed powders and liquids in a flask, waited for a reaction and then set about identifying what I made.\u003c/p>\n\u003cp>Most of the time I started a reaction knowing what the products should be. Sometimes I retrieved those products. Other times the reaction took an unexpected turn and I collected products with too few or too many atoms. That's when the chemical detective work began. Knowing what products the reaction created, I used my knowledge of chemistry, the reaction conditions, and the materials in the flask to guess how those side products might have formed.\u003c/p>\n\u003cp>Curiosity, the wandering robotic chemist, might find molecular products like methane or protein building blocks possibly formed by past life on Mars and now trapped in rocks and minerals. But scientists analyzing the significance of those clues have an extra challenge that I didn’t: They don’t know reaction conditions on the planet, like time, temperature and acidity, which could affect how those products formed.\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>But the minerals themselves, and the planet’s atmosphere, have information to help fill that knowledge gap. The rover vaporizes some rocks with a laser and identifies the elements in the rocks \u003ca href=\"http://blogs.scientificamerican.com/the-curious-wavefunction/2012/08/08/light-crystals-and-a-chemist-called-curiosity/\">based on emitted light\u003c/a>. If a rock contains salts like sodium and potassium, then perhaps it formed in a watery environment. Other elemental indicators tell the scientists if that water was too acidic to support life.\u003c/p>\n\u003cp>A \u003ca href=\"http://arstechnica.com/science/2012/05/carbon-in-rocks-frm-mars-comes-from-volcanoes-not-life/\">recent study \u003c/a>of Martian meteorites used a similar approach to conclude that carbon in the rocks came from volcanoes, not life. The scientists aimed a powerful laser at mineral grains in slices of the meteorite, identifying the elements in the minerals and structure of the carbon-containing compounds. The minerals likely formed in volcanoes; thus the graphite-like clusters inside the grains likely came from volcanoes too.\u003c/p>\n\u003cp>That mystery about the origin of carbon in Martian meteorites took 15 years to solve, because other experiments couldn’t rule out the possibility that the carbon formed while the meteorite sat on Earth.\u003c/p>\n\u003cp>If Curiosity finds molecules that might be evidence for the existence of life as we know it, scientists have to rule out similar contamination issues. Perhaps the molecules formed in the planet’s atmosphere and fell to the surface, or maybe compounds in the soil altered the measurements.\u003c/p>\n\u003cp>Elemental analysis of minerals will help scientists identify the environment on Mars about one to two billion years ago, during the middle of its known life. With those clues to the reaction conditions on the planet, scientists can then work backwards to figure out if the planet could have sustained life. I look forward to following how Curiosity helps scientists unravel \u003ca href=\"http://www.msl-chemcam.com/index.php?menu=inc&page_consult=textes&rubrique=63&sousrubrique=208&soussousrubrique=0&titre_url=Curiosity%20-%20Why%20Mars?\">complex questions\u003c/a> about past habitability on Mars.\u003c/p>\n\u003cp>\u003c/p>\n\u003cp>More reading:\u003cbr>\n1. \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/science/\">Science experiments\u003c/a> on Curiosity, from NASA\u003cbr>\n2. Details of some chemistry instruments on Curiosity:\u003cbr>\n\u003ca href=\"http://www.springerlink.com/content/p26510688kg4q808/fulltext.pdf?MUD=MP\">Sample Analysis at Mars\u003c/a>, identifying carbon-containing compounds using instruments common to many labs here on Earth\u003cbr>\n3. \u003ca href=\"http://www.msl-chemcam.com/index.php?menu=inc&page_consult=textes&rubrique=64&sousrubrique=223&soussousrubrique=0&titre_url=ChemCam%20-%20What%20will%20ChemCam%20tell%20us?\">ChemCam\u003c/a>, studying the composition of rocks on a small scale and looking for interesting places to study with \u003ca href=\"http://msl-scicorner.jpl.nasa.gov/Instruments/CheMin/\">CheMin\u003c/a>\u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/42610/nasas-roving-robotic-chemist-will-collect-clues-for-life-on-mars","authors":["10331"],"categories":["quest_3","quest_5","quest_11"],"tags":["quest_13194","quest_742","quest_13200","quest_3351","quest_1751","quest_2349","quest_13202","quest_2457"],"featImg":"quest_42612","label":"quest"},"quest_42498":{"type":"posts","id":"quest_42498","meta":{"index":"posts_1591205157","site":"quest","id":"42498","score":null,"sort":[1344610814000]},"guestAuthors":[],"slug":"mars-science-laboratorys-touchdown-on-the-red-planet","title":"Mars Science Laboratory's Touchdown on The Red Planet","publishDate":1344610814,"format":"standard","headTitle":"QUEST | KQED Science","labelTerm":{"site":"quest"},"content":"\u003cfigure id=\"attachment_42499\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/10/mars-science-laboratorys-touchdown-on-the-red-planet/curiositys-new-home/\" rel=\"attachment wp-att-42499\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/curiositys-new-home.jpg\" alt=\"View from NASA's MSL "Curiosity" Rover\" title=\"View from NASA's MSL "Curiosity" Rover\" width=\"640\" height=\"360\" class=\"size-full wp-image-42499\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/curiositys-new-home.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/curiositys-new-home-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">View from NASA's MSL \"Curiosity\" Rover\u003c/figcaption>\u003c/figure>\n\u003cp>Last Sunday, NASA scored a long-distance touchdown (a very long distance, with the goal posts fully 150 million miles away) on Mars! The \u003ca href=\"http://www.nasa.gov/mission_pages/msl/index.html\" title=\"NASA Mars MSL Curiosity\" target=\"_blank\">Mars Science Laboratory\u003c/a>, nicknamed \"Curiosity\" by essay winner Clara Ma, is now the largest, most complex and science-capable lander ever to have set down on the Red Planet. \u003c/p>\n\u003cp>More on that later. Now, a bit of reminiscing on a similar event that happened 36 years ago--one that, to me, was in certain ways even more exciting. It was Viking 1, the first successful landing on Mars, which set down in Chryse Planitia on July 20, 1976 (seven years to the day from the first manned Moon landing). \u003c/p>\n\u003cp>I recall clearly standing on my knees in front of the television (in a room that, coincidentally, my parents had decorated in orange) waiting for the newscast to reveal the first-ever images from the surface of Mars. THAT was excitement. I had read so many sci-fi stories about Mars and had drooled over many artists concepts of what this other world might look like that waiting to see the first photograph from ground level was simply electrifying.\u003c/p>\n\u003cp>\u003ca href=\"http://www.nasa.gov/externalflash/Viking_Gallery/hi-resjpgs/6.jpg\" title=\"First color image from the surface of Mars, Viking 1\" target=\"_blank\">Upon seeing the image\u003c/a> appear on the TV, my first reaction was, \"Look! There's a rock!\" I had expected to see rocks, but first laying eyes on actual Martian rocks, seeing their shapes, textures, and details, was like being the first person to step onto another world. When I saw little piles of sand next to some of those rocks, more of that until-then unrevealed world unfolded. The sky was bright, not dark as the airless skies of our familiar Moon are. In later pictures from both Viking landers, seeing Earth-style features like cirrus clouds in the sky and water frost on the ground was more icing on the cake.\u003c/p>\n\u003cp>Back to last Sunday. At Chabot, we were packed with people who had come to witness the landing of Curiosity on the big TV screens of our planetarium and theater domes. This landing was different from that of Viking 1, of course; we are now very familiar with the surface of Mars, not only as revealed by the cadre of landers and rovers—the Vikings, Pathfinder, Spirit, Opportunity, and Phoenix—but by the hi-resolution spy-cam (HiRISE) of the Mars Reconnaissance Orbiter. We'd seen landings before, and though each one was in a different location with different geography to gawk at, the common look and feel of Mars has long been a part of our experience.\u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>Every time the NASA/JPL landing crew announced another milestone met, the crowd applauded along with JPL. The spacecraft has touched the upper atmosphere—applause! The heat shield has separated—applause! The parachute has deployed—double applause! As the distance to the surface grew shorter and shorter, a buzz of anticipation grew. And, touchdown! Huge applause! The crowds are going wild….\u003c/p>\n\u003cp>We all waited for the first image from Curiosity—something we weren't sure we'd get right away, as NASA wasn't making promises. As it turned out, the first image, taken by one of Curiosity's 17 cameras (a hazard avoidance camera), appeared on JPL's screen within minutes of landing. One JPL crewmember pointed at the little square on the monitor and shouted, \"Look! A thumbnail!\" I thought of my own first revelation on seeing the Viking 1 image: \"Look! A rock!\"\u003c/p>\n\u003cp>The thumbnail was 64x64 pixels, and it was hard to make out what it was showing, but that didn't matter: it was the first image from an entirely new place on Mars, and it earned the loudest and longest round of applause of all. A subsequent 256x256 sized version, uploaded to the orbiting Mars Odyssey and then relayed to Earth, showed in more detail what the thumbnail had tried to convey: rocks, soil, and Curiosity's shadow cast across the milieu. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>Now begins the new adventure as Curiosity, starting at the foot of a mountain in the middle of \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/timeline/prelaunch/landingsiteselection/galecrater2/\" title=\"Gale Crater\" target=\"_blank\">Gale Crater\u003c/a>, commences a journey of discovery up the slopes of sedimentary material built up over 2 billion years of Mars' history. What story will Curiosity read to us from the leaves of those layers, that giant book? Stay tuned. \u003c/p>\n\n","blocks":[],"excerpt":"Last Sunday, NASA scored a long-distance touchdown…on Mars! The Mars Science Laboratory, nicknamed \"Curiosity\" is the largest, most complex spacecraft ever to have set down on the Red Planet.","status":"publish","parent":0,"modified":1370998494,"stats":{"hasAudio":false,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":11,"wordCount":725},"headData":{"title":"Mars Science Laboratory's Touchdown on The Red Planet | KQED","description":"Last Sunday, NASA scored a long-distance touchdown…on Mars! The Mars Science Laboratory, nicknamed "Curiosity" is the largest, most complex spacecraft ever to have set down on the Red Planet.","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"Mars Science Laboratory's Touchdown on The Red Planet","datePublished":"2012-08-10T15:00:14.000Z","dateModified":"2013-06-12T00:54:54.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"disqusIdentifier":"42498 http://science.kqed.org/quest/?p=42498","disqusUrl":"https://ww2.kqed.org/quest/2012/08/10/mars-science-laboratorys-touchdown-on-the-red-planet/","disqusTitle":"Mars Science Laboratory's Touchdown on The Red Planet","path":"/quest/42498/mars-science-laboratorys-touchdown-on-the-red-planet","audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cfigure id=\"attachment_42499\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003ca href=\"http://ww2.kqed.org/quest/2012/08/10/mars-science-laboratorys-touchdown-on-the-red-planet/curiositys-new-home/\" rel=\"attachment wp-att-42499\">\u003cimg src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/curiositys-new-home.jpg\" alt=\"View from NASA's MSL "Curiosity" Rover\" title=\"View from NASA's MSL "Curiosity" Rover\" width=\"640\" height=\"360\" class=\"size-full wp-image-42499\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/curiositys-new-home.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/curiositys-new-home-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003c/a>\u003cfigcaption class=\"wp-caption-text\">View from NASA's MSL \"Curiosity\" Rover\u003c/figcaption>\u003c/figure>\n\u003cp>Last Sunday, NASA scored a long-distance touchdown (a very long distance, with the goal posts fully 150 million miles away) on Mars! The \u003ca href=\"http://www.nasa.gov/mission_pages/msl/index.html\" title=\"NASA Mars MSL Curiosity\" target=\"_blank\">Mars Science Laboratory\u003c/a>, nicknamed \"Curiosity\" by essay winner Clara Ma, is now the largest, most complex and science-capable lander ever to have set down on the Red Planet. \u003c/p>\n\u003cp>More on that later. Now, a bit of reminiscing on a similar event that happened 36 years ago--one that, to me, was in certain ways even more exciting. It was Viking 1, the first successful landing on Mars, which set down in Chryse Planitia on July 20, 1976 (seven years to the day from the first manned Moon landing). \u003c/p>\n\u003cp>I recall clearly standing on my knees in front of the television (in a room that, coincidentally, my parents had decorated in orange) waiting for the newscast to reveal the first-ever images from the surface of Mars. THAT was excitement. I had read so many sci-fi stories about Mars and had drooled over many artists concepts of what this other world might look like that waiting to see the first photograph from ground level was simply electrifying.\u003c/p>\n\u003cp>\u003ca href=\"http://www.nasa.gov/externalflash/Viking_Gallery/hi-resjpgs/6.jpg\" title=\"First color image from the surface of Mars, Viking 1\" target=\"_blank\">Upon seeing the image\u003c/a> appear on the TV, my first reaction was, \"Look! There's a rock!\" I had expected to see rocks, but first laying eyes on actual Martian rocks, seeing their shapes, textures, and details, was like being the first person to step onto another world. When I saw little piles of sand next to some of those rocks, more of that until-then unrevealed world unfolded. The sky was bright, not dark as the airless skies of our familiar Moon are. In later pictures from both Viking landers, seeing Earth-style features like cirrus clouds in the sky and water frost on the ground was more icing on the cake.\u003c/p>\n\u003cp>Back to last Sunday. At Chabot, we were packed with people who had come to witness the landing of Curiosity on the big TV screens of our planetarium and theater domes. This landing was different from that of Viking 1, of course; we are now very familiar with the surface of Mars, not only as revealed by the cadre of landers and rovers—the Vikings, Pathfinder, Spirit, Opportunity, and Phoenix—but by the hi-resolution spy-cam (HiRISE) of the Mars Reconnaissance Orbiter. We'd seen landings before, and though each one was in a different location with different geography to gawk at, the common look and feel of Mars has long been a part of our experience.\u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>Every time the NASA/JPL landing crew announced another milestone met, the crowd applauded along with JPL. The spacecraft has touched the upper atmosphere—applause! The heat shield has separated—applause! The parachute has deployed—double applause! As the distance to the surface grew shorter and shorter, a buzz of anticipation grew. And, touchdown! Huge applause! The crowds are going wild….\u003c/p>\n\u003cp>We all waited for the first image from Curiosity—something we weren't sure we'd get right away, as NASA wasn't making promises. As it turned out, the first image, taken by one of Curiosity's 17 cameras (a hazard avoidance camera), appeared on JPL's screen within minutes of landing. One JPL crewmember pointed at the little square on the monitor and shouted, \"Look! A thumbnail!\" I thought of my own first revelation on seeing the Viking 1 image: \"Look! A rock!\"\u003c/p>\n\u003cp>The thumbnail was 64x64 pixels, and it was hard to make out what it was showing, but that didn't matter: it was the first image from an entirely new place on Mars, and it earned the loudest and longest round of applause of all. A subsequent 256x256 sized version, uploaded to the orbiting Mars Odyssey and then relayed to Earth, showed in more detail what the thumbnail had tried to convey: rocks, soil, and Curiosity's shadow cast across the milieu. \u003c/p>\n\u003cp>\u003c/p>\n\u003cp>Now begins the new adventure as Curiosity, starting at the foot of a mountain in the middle of \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/timeline/prelaunch/landingsiteselection/galecrater2/\" title=\"Gale Crater\" target=\"_blank\">Gale Crater\u003c/a>, commences a journey of discovery up the slopes of sedimentary material built up over 2 billion years of Mars' history. What story will Curiosity read to us from the leaves of those layers, that giant book? Stay tuned. \u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/42498/mars-science-laboratorys-touchdown-on-the-red-planet","authors":["6180"],"categories":["quest_3"],"tags":["quest_544","quest_742","quest_10259","quest_1546","quest_11355","quest_1751","quest_11354","quest_1918","quest_13202"],"featImg":"quest_42499","label":"quest"},"quest_41786":{"type":"posts","id":"quest_41786","meta":{"index":"posts_1591205157","site":"quest","id":"41786","score":null,"sort":[1344277810000]},"guestAuthors":[],"slug":"nasas-mars-lander-the-exploration-begins","title":"NASA's Mars Lander: The Exploration Begins","publishDate":1344277810,"format":"audio","headTitle":"NASA’s Mars Lander: The Exploration Begins | KQED","labelTerm":{"site":"quest"},"content":"\u003cp>http://www.kqed.org/.stream/anon/radio/quest/2012/08/2012-08-06-quest.mp3\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/PIA15791_modest.jpg\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/PIA15791_modest-300x169.jpg\" alt=\"\" title=\"Mars Science Laboratory Curiosity rover (photo courtesy NASA)\" width=\"300\" height=\"169\" class=\"alignleft size-thumbnail wp-image-41804\">\u003c/a>\u003c/p>\n\u003cp>Late Sunday night, scientists at NASA’s Jet Propulsion Laboratory in Pasadena cheered as the Curiosity lander ended its 352 million-mile journey, arriving – intact – onto the surface of Mars. The nail-biting landing procedure had been called the “\u003ca href=\"http://www.jpl.nasa.gov/video/index.cfm?id=1090\">Seven Minutes of Terror\u003c/a>,” based on how long it took the lander to cut its speed from 13 thousand miles an hour… to zero.\u003c/p>\n\u003cp>For scientists at NASA Ames in Moffet Field, the work is just beginning. NASA Ames senior scientist David Blake designed CheMin, one of the scientific instruments that hitched a ride to Mars aboard Curiosity. \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/instruments/spectrometers/chemin/\">CheMin\u003c/a>, short for Chemistry & Mineralogy, uses x-ray diffraction to analyze soil and rock samples that the nuclear-powered rover will collect as it explores the Martian surface. \u003c/p>\n\u003cp>That data, which will be transmitted back to Earth, may help scientists solve one of the Red Planet’s most compelling mysteries: whether water once flowed over its now-parched surface. \u003c/p>\n\u003cp>[ad fullwidth]\u003c/p>\n\u003cp>The mission is expected to last two years, but could go on much longer, depending on Curiosity’s life span. The lander can meander up to 12 miles over the Martian surface, with a speed limit of about 300 feet per hour. All the while, Curiosity’s 17 cameras are designed to stream images back to Earth of what it finds.\u003cbr>\n\u003cstrong>\u003cbr>\nKQED News anchor Joshua Johnson spoke with NASA’s David Blake just hours after the landing.\u003cbr>\n\u003c/strong>\u003cem>\u003cbr>\n\u003cstrong>Johnson:\u003c/strong> Good morning!\u003c/em>\u003c/p>\n\u003cp>\u003cstrong>Blake: \u003c/strong>Good morning.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Congratulations, first of all. I’m sure you were up all night watching the landing. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, yeah, to say it was exciting is an understatement. You know once the vehicle hit the atmosphere of Mars, and things went so fast, it was almost like your brain couldn’t follow, and when those first thumbnails came down, it was just pandemonium. Everybody just erupted and started screaming and hugging each other. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> I imagine that seven minutes started to feel like seven seconds as the time slowed down. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> It was amazing, and the control room was live saying ‘OK the heat shield has been released. OK the parachute has been deployed. The sky crane is operating.’ It was just unbelievable. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> So tell me a little bit about where Curiosity landed? Why did you choose this particular spot? And did the lander hit its mark?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, we think it did. We don’t know exactly where it landed but its certain it landed within the ellipse. Gale Crater is one of the oldest and deepest craters on Mars and we know that very early on Mars’ time it filled to the brim with sediment and that sediment solidified to make a rock and then later on a lot of that sediment was eroded out by wind and we are left with this big mountain in the middle called, we call it Mount Sharp. And Mount Sharp is 5,000 meters of stratify sediment and the geologist can basically read this like a book, so we are going to start from the bottom and work our way up and this will tell us a lot about the conditions of very early Mars.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> It sounds like, to put this in some perspective, it’s almost like landing this device at the bottom of the Grand Canyon. Is what it sounds like. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Yeah, it is very similar, similar distance down, actually greater distance of strata. And so the rover planners have actually figured out, they figured this out from pictures long ago, long ago being months, where we are going to go if we land where we say we did and going up in a canyon and to the left and to the right So they have the plans of where to go already done.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Here in the Bay Area it sounds like scientists worked on one aspect of the lander, in particular called CheMin. Describe what CheMin is and how it works?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well CheMin is one of two laboratory quality instruments that’s inside the body of the rover, and what CheMin does is it determines the mineralogy of all the sediments, or the drilled rock, that is delivered to it by the arm of the rover. And the interesting thing about minerals is that, if you know the minerals that are present in a rock, you can say what the environment was in which the rock formed. And so, what CheMin will do is it will tell you the conditions of formation of these rocks that are 3.5 – 4 billion years old in Gale Crater on Mount Sharp.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> And that would also include if there was once water there, right?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, that’s exactly right. We know from orbital assets that like the CRISM instrument on Mars’ reconnaissance orbiter that there are hydrated minerals, such as clays and hydrated sulfates, that are present where we are. And these hydrated minerals, we will be able to tell them with CheMin very easily. And these hydrated minerals tell us that there very likely was a habitable environment – that is, an environment where life could have begun or could have persisted over time very early in Mars history. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Let’s finish with the two big questions, how soon do we see results and how soon do we send people to Mars?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> We are going to get pictures back really continuously starting last night and certainly today. My instrument would not really deliver a result for probably three weeks to a month, and the reason being is that engineers are testing everything out, and we are kind of in the last of a first time use series. So by the time everything is checked out and the arm and the drill, then they will deliver a sample to us. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> And in terms of sending people to Mars? That’s a long ways off I imagine. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> That’s kind of at the end of the chart. We are a step along the way. That’s just a huge challenge even compared to this, which was, to me, other worldly. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Well it’s incredible that you got this far. Congratulations, David Blake is senior scientist at NASA AMES, in Moffett Field. Thank you for talking with us, and again, congratulations.\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well thank you. It was very enjoyable. \u003c/p>\n\u003ch3>More Pictures of Curiosity Lander and Landing Site\u003c/h3>\n\u003cp> \u003c/p>\n\u003cfigure id=\"attachment_41810\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/MtSharp_insideGayleCrater.jpg\" alt=\"\" title=\"Destination: Gale Crater (photo: NASA)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41810\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/MtSharp_insideGayleCrater.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/MtSharp_insideGayleCrater-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">Curiosity will land near the foot of Mt. Sharp, inside Gale Crater. Over its two-year mission, Curiosity will explore the crater and mountain to investigate whether this area of Mars has ever offered conditions favorable for life.\u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cfigure id=\"attachment_41811\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/Rover-in-profile.jpg\" alt=\"\" title=\"The Curiosity rover in profile (Photo: NASA)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41811\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-in-profile.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-in-profile-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">About the size of a small SUV, NASA's Curiosity rover has six-wheel drive and the ability to turn in place a full 360 degrees, as well as the agility to climb steep hills. \u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cfigure id=\"attachment_41812\" class=\"wp-caption alignright\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/Rover-cameras.jpg\" alt=\"\" title=\"Rover cameras ( photo: NASA/JPL-Caltech)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41812\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-cameras.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-cameras-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">Curiosity is equipped with 17 cameras, and the capability to send high-definition images of the Martian surface back to Earth. \u003c/figcaption>\u003c/figure>\n\u003cp>[ad floatright]\u003c/p>\n\u003cp>\n\u003cbr clear=\"all\">\u003c/p>\n\n","blocks":[],"excerpt":"NASA's Curiosity lander has ended its 352 million-mile journey, landing safely on the surface of Mars. For scientists at NASA Ames in Moffet Field, the work is just beginning. ","status":"publish","parent":0,"modified":1684973758,"stats":{"hasAudio":true,"hasVideo":false,"hasChartOrMap":false,"iframeSrcs":[],"hasGoogleForm":false,"hasGallery":false,"hasHearkenModule":false,"hasPolis":false,"paragraphCount":29,"wordCount":1205},"headData":{"title":"NASA's Mars Lander: The Exploration Begins | KQED","description":"NASA's Curiosity lander has ended its 352 million-mile journey, landing safely on the surface of Mars. For scientists at NASA Ames in Moffet Field, the work is just beginning. ","ogTitle":"","ogDescription":"","ogImgId":"","twTitle":"","twDescription":"","twImgId":"","schema":{"@context":"http://schema.org","@type":"Article","headline":"NASA's Mars Lander: The Exploration Begins","datePublished":"2012-08-06T18:30:10.000Z","dateModified":"2023-05-25T00:15:58.000Z","image":"https://cdn.kqed.org/wp-content/uploads/2020/02/KQED-OG-Image@1x.png"}},"templateType":"standard","featuredImageType":"standard","excludeFromSiteSearch":"Include","articleAge":"0","path":"/quest/41786/nasas-mars-lander-the-exploration-begins","audioUrl":"http://www.kqed.org/.stream/anon/radio/quest/2012/08/2012-08-06-quest.mp3","audioDuration":null,"audioTrackLength":null,"parsedContent":[{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003cp>http://www.kqed.org/.stream/anon/radio/quest/2012/08/2012-08-06-quest.mp3\u003c/p>\n\u003cp>\u003ca href=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/PIA15791_modest.jpg\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/PIA15791_modest-300x169.jpg\" alt=\"\" title=\"Mars Science Laboratory Curiosity rover (photo courtesy NASA)\" width=\"300\" height=\"169\" class=\"alignleft size-thumbnail wp-image-41804\">\u003c/a>\u003c/p>\n\u003cp>Late Sunday night, scientists at NASA’s Jet Propulsion Laboratory in Pasadena cheered as the Curiosity lander ended its 352 million-mile journey, arriving – intact – onto the surface of Mars. The nail-biting landing procedure had been called the “\u003ca href=\"http://www.jpl.nasa.gov/video/index.cfm?id=1090\">Seven Minutes of Terror\u003c/a>,” based on how long it took the lander to cut its speed from 13 thousand miles an hour… to zero.\u003c/p>\n\u003cp>For scientists at NASA Ames in Moffet Field, the work is just beginning. NASA Ames senior scientist David Blake designed CheMin, one of the scientific instruments that hitched a ride to Mars aboard Curiosity. \u003ca href=\"http://mars.jpl.nasa.gov/msl/mission/instruments/spectrometers/chemin/\">CheMin\u003c/a>, short for Chemistry & Mineralogy, uses x-ray diffraction to analyze soil and rock samples that the nuclear-powered rover will collect as it explores the Martian surface. \u003c/p>\n\u003cp>That data, which will be transmitted back to Earth, may help scientists solve one of the Red Planet’s most compelling mysteries: whether water once flowed over its now-parched surface. \u003c/p>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"fullwidth"},"numeric":["fullwidth"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>The mission is expected to last two years, but could go on much longer, depending on Curiosity’s life span. The lander can meander up to 12 miles over the Martian surface, with a speed limit of about 300 feet per hour. All the while, Curiosity’s 17 cameras are designed to stream images back to Earth of what it finds.\u003cbr>\n\u003cstrong>\u003cbr>\nKQED News anchor Joshua Johnson spoke with NASA’s David Blake just hours after the landing.\u003cbr>\n\u003c/strong>\u003cem>\u003cbr>\n\u003cstrong>Johnson:\u003c/strong> Good morning!\u003c/em>\u003c/p>\n\u003cp>\u003cstrong>Blake: \u003c/strong>Good morning.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Congratulations, first of all. I’m sure you were up all night watching the landing. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, yeah, to say it was exciting is an understatement. You know once the vehicle hit the atmosphere of Mars, and things went so fast, it was almost like your brain couldn’t follow, and when those first thumbnails came down, it was just pandemonium. Everybody just erupted and started screaming and hugging each other. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> I imagine that seven minutes started to feel like seven seconds as the time slowed down. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> It was amazing, and the control room was live saying ‘OK the heat shield has been released. OK the parachute has been deployed. The sky crane is operating.’ It was just unbelievable. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> So tell me a little bit about where Curiosity landed? Why did you choose this particular spot? And did the lander hit its mark?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, we think it did. We don’t know exactly where it landed but its certain it landed within the ellipse. Gale Crater is one of the oldest and deepest craters on Mars and we know that very early on Mars’ time it filled to the brim with sediment and that sediment solidified to make a rock and then later on a lot of that sediment was eroded out by wind and we are left with this big mountain in the middle called, we call it Mount Sharp. And Mount Sharp is 5,000 meters of stratify sediment and the geologist can basically read this like a book, so we are going to start from the bottom and work our way up and this will tell us a lot about the conditions of very early Mars.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> It sounds like, to put this in some perspective, it’s almost like landing this device at the bottom of the Grand Canyon. Is what it sounds like. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Yeah, it is very similar, similar distance down, actually greater distance of strata. And so the rover planners have actually figured out, they figured this out from pictures long ago, long ago being months, where we are going to go if we land where we say we did and going up in a canyon and to the left and to the right So they have the plans of where to go already done.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Here in the Bay Area it sounds like scientists worked on one aspect of the lander, in particular called CheMin. Describe what CheMin is and how it works?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well CheMin is one of two laboratory quality instruments that’s inside the body of the rover, and what CheMin does is it determines the mineralogy of all the sediments, or the drilled rock, that is delivered to it by the arm of the rover. And the interesting thing about minerals is that, if you know the minerals that are present in a rock, you can say what the environment was in which the rock formed. And so, what CheMin will do is it will tell you the conditions of formation of these rocks that are 3.5 – 4 billion years old in Gale Crater on Mount Sharp.\u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> And that would also include if there was once water there, right?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well, that’s exactly right. We know from orbital assets that like the CRISM instrument on Mars’ reconnaissance orbiter that there are hydrated minerals, such as clays and hydrated sulfates, that are present where we are. And these hydrated minerals, we will be able to tell them with CheMin very easily. And these hydrated minerals tell us that there very likely was a habitable environment – that is, an environment where life could have begun or could have persisted over time very early in Mars history. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Let’s finish with the two big questions, how soon do we see results and how soon do we send people to Mars?\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> We are going to get pictures back really continuously starting last night and certainly today. My instrument would not really deliver a result for probably three weeks to a month, and the reason being is that engineers are testing everything out, and we are kind of in the last of a first time use series. So by the time everything is checked out and the arm and the drill, then they will deliver a sample to us. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> And in terms of sending people to Mars? That’s a long ways off I imagine. \u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> That’s kind of at the end of the chart. We are a step along the way. That’s just a huge challenge even compared to this, which was, to me, other worldly. \u003c/p>\n\u003cp>\u003cstrong>Johnson:\u003c/strong> Well it’s incredible that you got this far. Congratulations, David Blake is senior scientist at NASA AMES, in Moffett Field. Thank you for talking with us, and again, congratulations.\u003c/p>\n\u003cp>\u003cstrong>Blake:\u003c/strong> Well thank you. It was very enjoyable. \u003c/p>\n\u003ch3>More Pictures of Curiosity Lander and Landing Site\u003c/h3>\n\u003cp> \u003c/p>\n\u003cfigure id=\"attachment_41810\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/MtSharp_insideGayleCrater.jpg\" alt=\"\" title=\"Destination: Gale Crater (photo: NASA)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41810\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/MtSharp_insideGayleCrater.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/MtSharp_insideGayleCrater-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">Curiosity will land near the foot of Mt. Sharp, inside Gale Crater. Over its two-year mission, Curiosity will explore the crater and mountain to investigate whether this area of Mars has ever offered conditions favorable for life.\u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cfigure id=\"attachment_41811\" class=\"wp-caption alignleft\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/Rover-in-profile.jpg\" alt=\"\" title=\"The Curiosity rover in profile (Photo: NASA)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41811\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-in-profile.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-in-profile-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">About the size of a small SUV, NASA's Curiosity rover has six-wheel drive and the ability to turn in place a full 360 degrees, as well as the agility to climb steep hills. \u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\n\u003cfigure id=\"attachment_41812\" class=\"wp-caption alignright\" style=\"max-width: 640px\">\u003cimg decoding=\"async\" loading=\"lazy\" src=\"http://ww2.kqed.org/quest/wp-content/uploads/sites/39/2012/08/Rover-cameras.jpg\" alt=\"\" title=\"Rover cameras ( photo: NASA/JPL-Caltech)\" width=\"640\" height=\"360\" class=\"size-thumbnail wp-image-41812\" srcset=\"https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-cameras.jpg 640w, https://ww2.kqed.org/app/uploads/sites/39/2012/08/Rover-cameras-400x225.jpg 400w\" sizes=\"(max-width: 640px) 100vw, 640px\">\u003cfigcaption class=\"wp-caption-text\">Curiosity is equipped with 17 cameras, and the capability to send high-definition images of the Martian surface back to Earth. \u003c/figcaption>\u003c/figure>\n\u003cp>\u003c/p>\u003c/div>","attributes":{"named":{},"numeric":[]}},{"type":"component","content":"","name":"ad","attributes":{"named":{"label":"floatright"},"numeric":["floatright"]}},{"type":"contentString","content":"\u003cdiv class=\"post-body\">\u003cp>\u003c/p>\n\u003cp>\n\u003cbr clear=\"all\">\u003c/p>\n\n\u003c/div>\u003c/p>","attributes":{"named":{},"numeric":[]}}],"link":"/quest/41786/nasas-mars-lander-the-exploration-begins","authors":["210"],"categories":["quest_3","quest_8"],"tags":["quest_237","quest_252","quest_11326","quest_742","quest_3539","quest_1606","quest_1751","quest_1918","quest_13203","quest_13"],"featImg":"quest_41804","label":"quest"}},"programsReducer":{"possible":{"id":"possible","title":"Possible","info":"Possible is hosted by entrepreneur Reid Hoffman and writer Aria Finger. 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