Aired
April 27, 1977
NOVA
NOVA
The Red Planet #S04E14
NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could support life. Questions raised by NASA's 1976 Viking mariner missions about how the vast canyons were formed are also explored.
Episode 14 of Season 4 from NOVA — available to stream in HD on any device.
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