May 10, 2005
No space mission has ever returned mineral samples from the planet Mars. Yet, 34 meteorites found on Earth have been positively identified as coming from Mars. How can we be sure of that? Do any of these Mar's meteorites contain evidence of life? How would we know if they did? Two of NASA's foremost senior research scientists, Everett K. Gibson and David McKay answer these questions and more in their intriguing and exclusive Baker Institute Space Policy presentation, The Exploration of Mars and the Search for Life.
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