S5·E4 Secret History of Pluto
Synopsis
The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life.
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Frequently Asked Questions
When did Season 5 Episode 4 of How the Universe Works air?
Season 5, Episode 4 ('Secret History of Pluto') originally aired on January 3, 2017.
How long is Season 5 Episode 4 ('Secret History of Pluto')?
The episode follows the standard broadcast runtime for How the Universe Works.
What happens in How the Universe Works Season 5 Episode 4?
The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life....
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