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?
Duration: 56 minutes and 46 seconds
Episode Number: 4613
No future air times were found for this episode.
PBS' premier science series helps viewers of all ages explore the science behind the headlines.
Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.
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Thu, Apr 3 | 1:00 A.M. | When Whales Could Walk NHPBS (11.1) |
Fri, Apr 4 | 3:00 P.M. | When Whales Could Walk NHPBS (11.1) |
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Sun, Apr 6 | 12:00 A.M. | When Whales Could Walk NHPBS (11.1) |
Sun, Apr 6 | 7:00 A.M. | When Whales Could Walk NHPBS (11.1) |
Sun, Apr 6 | 9:00 P.M. | When Whales Could Walk NH Explore (11.2) |
Mon, Apr 7 | 1:00 A.M. | When Whales Could Walk NH Explore (11.2) |
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