When did Cosmic Journeys Season 1 Episode 10 air?
Cosmic Journeys Season 1 Episode 10 aired on December 21, 2009.
Cosmic Journeys
Cutting-edge stories about the origins of the universe, black holes, exploding stars, the search for ET life, and the nature of the planets. How did the universe begin? Where will it end? Are there other worlds like Earth?
Season 1 · Episode 10
Mars: Earth That Never Was
Dec 21, 2009·24m
Did Mars long ago develop far enough for life to arise? If so, does anything still live somewhere underground? The search for answers has revealed the forces that long ago doomed the Red Planet.
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Direct answers for episode-level questions and details.
How long is Cosmic Journeys Season 1 Episode 10?
This episode runs for approximately 24 minutes.
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