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/sci/ - Science & Math

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5400370 No.5400370 [Reply] [Original]

I know there are gas planets, but why arent there gas moons?

>> No.5400371
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5400371

>implying there isn't

>> No.5400373

because of how moons are formed. usually through either a large impact sending a chunk flying off or a wayward celestial body caught up in gravitational pull.
an impact on a gas planet wouldn't break off a chunk as I'm sure you can intuit

>> No.5400374

>>5400370
have you ever seen a moon big enough to hold the leftover gas from its planet?

>> No.5400375
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5400375

>>5400371
Where are they?

>> No.5400381

>>5400375
None observed poster was full of shit as always on sci

It is of course not at all obvious whether or not a gas moon would be stable and whether most of the gas would just escape the moon, either due to the small size of the moon itself or the gravitational pull of the planet it is orbiting.

>> No.5400395

>>5400381
theoretically it could exist a big enough planet for that so called big enough moon