NASA's Unexplained Files - Season 4 Episode 6
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.
- Genre: Documentary, Talk, Mystery
- Studio: Science
- Keyword: nasa, ufo, conspiracy, conspiracy theory, mysterious events, unexplainable events, observational documentary, space vessel, space mystery, strange event
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