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Secrets of the Solar System

  • Season 1
  • 8 episodes
  • History

Summary

An examination of how the regular discovery of distant planets is forcing scientists to put forward new theories to explain the creation of the solar system.

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Episode 4: The Great Red Hope

Summary

Mars is one of the best-explored places in the solar system and yet we still don't know the answer to the big question - is there or was there life on Mars?

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