S5·E9 Strangest Alien Worlds
Synopsis
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?
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Frequently Asked Questions
When did Season 5 Episode 9 of How the Universe Works air?
Season 5, Episode 9 ('Strangest Alien Worlds') originally aired on February 7, 2017.
How long is Season 5 Episode 9 ('Strangest Alien Worlds')?
The episode follows the standard broadcast runtime for How the Universe Works.
What happens in How the Universe Works Season 5 Episode 9?
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?...
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