Leading astrophysicist Neil deGrasse Tyson, host of “NOVA scienceNOW” on PBS and author of “The Pluto Files,” joins us in the studio. DeGrasse Tyson’s research interests include star formation, exploding stars, dwarf galaxies and the structure of our Milky Way.
- More: NOVA and NOVA scienceNOW Cosmic Conversation – information on tonight’s event with Neil deGrasse Tyson at San Francisco’s Palace of Fine Arts