Home / Series / Space's Deepest Secrets / Aired Order / Season 2 / Episode 7
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Race to Planet 9

Scientists believe that there is an undiscovered massive planet lurking at the edge of the solar system. Join researchers as they hunt for this mysterious world, an investigation that could reveal the secret history of the solar system's formation.

English
  • Originally Aired May 23, 2017
  • Runtime 45 minutes
  • Content Rating United States of America TV-14
  • Network Science Channel
  • Created February 3, 2019 by
    Administrator admin
  • Modified February 3, 2019 by
    Administrator admin