A look for evidence of life on Mars which provides many clues that it now, or once had supported it; from the remains of lakes and rivers that once flowed on the surface; to the water ice frozen at the poles; to the seasonal changes in methane gases that may prove bacterial life still thrives underground.
Tags
History Channel, Louis C. Tarantion, Douglas J. Cohen, the universe, universe, documentary, free, watch, online, movie, film, video, top, doc, documentation, mars, the new evidence, ice, water, gas, methane, subtitles, english
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