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NOVA

The Planets: Mars

Season 46 Episode 13 | 54m 10s

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?

Aired: 07/23/19 | Expires: 08/11/23
National Corporate funding for NOVA is provided by Carlisle Companies and Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.
Extra
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American Masters
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Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
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Independent Lens
The Tallest Dwarf | Trailer
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Antiques Roadshow
Preview: Coastal Maine Botanical Gardens, Hour 3
Preview: Coastal Maine Botanical Gardens, Hour 3
Preview: S30 E9 | 0:30
Watch • 3:43
Antiques Roadshow
Appraisal: 1962 Dr. Martin Luther King Jr. Letter
Appraisal: 1962 Dr. Martin Luther King Jr. Letter
Clip: S30 E9 | 3:43
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Antiques Roadshow
Appraisal: 1963 Picasso Madoura Plate
Appraisal: 1963 Picasso Madoura Plate
Clip: S30 E9 | 2:25
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Antiques Roadshow
Appraisal: Josef Hoffmann Silver Cups, ca. 1910
Appraisal: Josef Hoffmann Silver Cups, ca. 1910
Clip: S30 E9 | 2:25
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Antiques Roadshow
Appraisal: Cast-iron Lobster Andirons, ca. 1880
Appraisal: Cast-iron Lobster Andirons, ca. 1880
Clip: S30 E9 | 1:55
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Antiques Roadshow
Appraisal: Charles Ebert Maine Islands Oil Seascape, ca. 1930
Appraisal: Charles Ebert Maine Islands Oil Seascape, ca. 1930
Clip: S30 E9 | 2:59
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Antiques Roadshow
Appraisal: South Carolina Surcharged Dutch Musket, ca. 1740
Appraisal: South Carolina Surcharged Dutch Musket, ca. 1740
Clip: S30 E9 | 3:01
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