NASA's Unexplained Files - Season 4 Episode 4
Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program. The Apollo missions bring back evidence that the moon may be rich in the building blocks for life.
- 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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