I have been searching google for ages and all i find is lore about loki and thor. if gas giants slowly cool and form into ice giants what happens to ice giants? do they just exist forever or what? (prefer an answer that does not include interrupting the ice giants orbit. so no black holes no sun expansion and no rogue cosmic objects.) if everything was fine and not affecting or changing the ice giants over time what would happen to it.
In: Planetary Science
If nothing comes in from the outside or bothers it like you’re asking, then nothing, the ice giant stays an ice giant forever.
Barring hypothethical theoretical stuff like proton decay or all the atoms in the planet fusing into iron via quantum tunneling or dark energy getting stronger and ripping the whole thing apart due to expanding space, it’ll stay static and unchanged forever.
If it’s in an orbit, that orbit will eventually decay though, due to the radiation of gravitational waves from the bodies around which it orbits.
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