this post was submitted on 02 Dec 2023
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Space

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Neptune-sized exoplanet is too big for its host star (arstechnica.com)
submitted 11 months ago by 0x1C3B00DA@kbin.social to c/space@kbin.social
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Stars this small shouldn't make planets this big.

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[–] NotTheOnlyGamer@kbin.social 1 points 11 months ago

I find it interesting that they didn't suggest the possibility that came to my mind first: cannibalization. If it was small to start with, but in clearing the neighborhood, also was volcanic enough to absorb smaller planetoids, it might have absorbed them and grown.