S46 E13: The Planets: Mars

Aired: 7/24/2019 | 0:53:54 | Expires: 9/12/2019 | Episode
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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