An Asteroid's Close Call

latitude 37.8768, longitude -122.251

This has been a month of dashed hopes for astronomers around the world. Last month it seemed possible that an asteroid the size of a Boeing 737 jet was due to collide with Mars on January 30. Today that seems far less likely, but, as Amy Standen reports, astronomers consider it a wake up call.

Duration: 05:45
Original Air Date: Thursday, Jan 17, 2008
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