How the Universe Works · SEASON 5

Strangest Alien Worlds

Episode 9 · 2017-02-07

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Season 5Episode 9★ N/A/10
  • Documentary

Episode overview

Discoveries of new planets have revealed countless worlds much stranger than Earth. Some of these worlds don't have stars, others are made out of diamonds. Will we ever find a planet like Earth, or are these distant worlds stranger than fiction?

42 minutes

Season 5 episodes

1. Most Amazing Discoveries2016-11-22 2. Mystery of Planet 92016-11-29 3. Black Holes: The Secret Origin2016-12-06 4. Secret History of Pluto2017-01-03 5. Stars That Kill2017-01-10 6. The Universe's Deadliest2017-01-17 7. Life and Death on the Red Planet2017-01-24 8. The Dark Matter Enigma2017-01-31 9. Strangest Alien Worlds2017-02-07