Why do gas planets not collapse?

  • Thread starter pulsar28
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Hello all,

Ok I`m new to this forum so please don`t shout at me if this is a silly question :)
I have been wondering why it is that planets like Jupiter which have the gravitational pull to have moons orbiting them - why they then don`t collapse into solid spheres under their own gravity?
 

DaveC426913

Gold Member
18,264
1,866
Hello all,

Ok I`m new to this forum so please don`t shout at me if this is a silly question :)
I have been wondering why it is that planets like Jupiter which have the gravitational pull to have moons orbiting them - why they then don`t collapse into solid spheres under their own gravity?
"[URL [Broken] Law[/URL]. As the gas compresses under the pull of gravity, its temperature goes up. Its temperature goes up means its pressure goes up. At some point, the gravitational pull balancecs with the expansive pressure and the planet reaches equilibrium.
 
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