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Origins: Astrobiology: The Search for Life
Looking for Mars on Earth (Webcast)
Date: November 19, 2003
Running Time: 00:32:24

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Chris McKay, Planetary Scientist at the NASA Ames Research Center, has traveled the world seeking Mars-like environments. In the Dry Valleys of Antarctica—his favorite Mars analog on Earth—Dr. McKay discovered a kind of algae living inside rocks porous to light and water. He’ll show us some of these rocks and talk about the physical conditions required for life.

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