"Lec 11 - Biologically Reversible Exploration" (February 23, 2010) Chris McKay, Planetary Scientist with the Space Science Division of NASA Ames Research Center , discusses the idea that, based on the human valuation of life, the mission of astrobiology is to expand the richness and diversity of life in the universe. Stanford University: http://www.stanford.edu/ Stanford University Channel on YouTube: http://www.youtube.com/stanford
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Tags: science biology astrobiology physics organic chemistry evolution ecosystem origin future life distribution Mars contamination pathfinder sterile bacteria alien extra-terrestrial organism moral planetary protection genesis
Duration: 76m 45s
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