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Pluto's moon may have hosted ocean

news.google.com.hk
Charon, Pluto's largest moon, may have once “Hulked out”— where it went through a period of rapid growth, leading to the craggy surface it has ...

Pluto's largest moon may have once had an ocean ...

www.astronomy.com
Pluto's largest moon may have once had an ocean. It's possible that Charon once had a subsurface ocean that has long since frozen and ...
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