The Planets: Mars Preview
Preview: Season 46 Episode 13 | 28sVideo has Closed Captions
Before it was a dry planet, Mars was a wet world that may have hosted life.
Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
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The Planets: Mars Preview
Preview: Season 46 Episode 13 | 28sVideo has Closed Captions
Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
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Mars, the Red Planet, Was Once Blue
Video has Closed Captions
Mars once had rains, rivers, and in the northern hemisphere, a vast sea. (1m 25s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.