Season 4 · Episode 6
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Did Earth Have Two Moons?
Tue, Oct 4, 2016
·
42 min
A discovery suggests the hellish clouds of Venus may be the origin of life on Earth. A bizarre sighting 2,000 years ago raises the possibility that Earth once had two moons. A scientist helps the FBI crack the 1996 Olympic bombing.
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Airs
Tue, Oct 4, 2016
42 min
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NASA's Unexplained Files
47 episodes
Episode
S4 · E6
in NASA's Unexplained Files
Up next
S4 · E7
Mystery of the Invisible Planet
Tue, Oct 11, 2016