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Scientists study fragments of a meteorite, hoping to gain insight into the origins of life on Earth. Also: a controversial space rock from Mars is examined at NASA's Johnson Space Center in Houston.
First Air Date : Sep 15, 2004
Last Air date : Aug 25, 2011
Episode : 129 Episode
Season : 8 Season
Runtime: 60:45 minutes
Studio: National Geographic
Country: United Kingdom, United States of America
Cast:
Crew:
