Season 1 · Episode 10 of 37
Aired Dec 21, 2009
Mars: Earth That Never Was
Mon, Dec 21, 2009
0 of 37 watched this season
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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Airs
Mon, Dec 21, 2009
Show
Cosmic Journeys
37 episodes
Episode
S1 · E10
in Cosmic Journeys