Season 4 · Episode 8
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Mars's Deepest Secret
Tue, Oct 18, 2016
·
42 min
British astronomers working for the CIA intercept Soviet photos of the moon. A malfunction on the ISS could poison its crew with ammonia gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.
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Airs
Tue, Oct 18, 2016
42 min
Show
NASA's Unexplained Files
47 episodes
Episode
S4 · E8
in NASA's Unexplained Files
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