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How the Universe Works: Season 5

5x04 Secret History of Pluto
TV-PG

  • 2017-01-04T02:00:00Z on Science
  • 42m
  • United States
  • English
  • Documentary
The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life.
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