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[-] betanumerus@lemmy.ca 3 points 5 days ago

The molten core is hot because a whole lot of rocks crashed into each other. Also, nuclear decay.

[-] NotMyOldRedditName@lemmy.world 1 points 5 days ago* (last edited 5 days ago)

Well... those are remnants of a supernova aren't they? So the velocities to have meaningful impacts came from a sun?

Definitely not what I was thinking or trying to say though, and not our sun, but kinda still all the energy comes from at least, a sun.

this post was submitted on 28 Oct 2026
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