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NASA's Unexplained Files: Season 4

4x04 The Earth Next Door
TV-G

  • 2016-09-21T02:00:00Z on Science
  • 42m
  • United States
  • English
  • Documentary, Talk Show
Astronomers notice a planet in Earth's vicinity capable of supporting life; top secret military program exposed; the moon contains the components to start life.
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