How the Universe Works S5E8: Strangest Alien Worlds
- Aired: 2017-02-07
- Time: 22:00:00
- Runtime: 60 minutes
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Overview
Discoveries of new planets have revealed countless worlds much stranger than Earth. Some of these strange 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?