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[-] KingGimpicus@sh.itjust.works 11 points 9 hours ago* (last edited 5 hours ago)

Because the planet produces its own radiation. That much mass means this is less a "planet" and more of a proto star. It's actually large enough to fuse deuterium if the right conditions arise. Pour enough hydrogen in there to raise the mass three of four times what it has now and it'd be comparable to our sun.

[-] Digestive_Biscuit@feddit.uk 1 points 2 hours ago

Would this be a star which wasn't big enough and fizzled out into a big planet?

[-] victorz@lemmy.world 2 points 6 hours ago

Cool, thanks for that!

this post was submitted on 06 Dec 2025
537 points (100.0% liked)

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