NASA's Unexplained Files S4E6 - Did Earth Have Two Moons?
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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.
| Released | Mar 27, 2012 |
|---|---|
| Runtime | min |
| Genre | Documentary, Talk, Mystery |
| Actor | N/A |
| Director | N/A |
| Production | Discovery |