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Old 02-15-2019, 04:49 PM
FuzzyPlum FuzzyPlum is offline
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Quote:
Originally Posted by singertobe View Post
Something I've been thinking about for a while. Nobody has ever been straight through the center of any of the gas planets so how do we know there isn't a solid surface buried all the way underneath all the gas clouds? There must be something that differentiates a gas planet from a star that's made of the same gases...

I think some or all of them do have a rocky core deep inside (or at least they are believed to have rocky cores).
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