Did Earth Have Two Moons? (S04E06)
S04E06
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.
Show
NASA's Unexplained Files
Episode
S04E06
Air Date
Oct 04, 2016