Season 2 · Episode 1
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Life in Hell
Mon, Mar 2, 2015
·
43 min
A UFO crashes in Pennsylvania. Was it a secret Soviet satellite or something far more dangerous? On Mercury, NASA finds the impossible: frozen water. A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon. What is it?
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Mon, Mar 2, 2015
43 min
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NASA's Unexplained Files
47 episodes
Episode
S2 · E1
in NASA's Unexplained Files
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S2 · E2
Top Secret Terror
Wed, Mar 4, 2015