this post was submitted on 20 May 2025
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Jupiter Was Formerly Twice Its Current Size and Had a Much Stronger Magnetic Field (www.caltech.edu)
submitted 2 weeks ago by Pro@programming.dev to c/space@mander.xyz
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[–] thebardingreen@lemmy.starlightkel.xyz 3 points 2 weeks ago (1 children)

The article doesn't say it (it actually doesn't explain anything very well), but the implication to me seems to be that Jupiter was much hotter in the past, shrinking (and becoming less magnetically active) as it cooled?

I imagine this has implications for aging gas giants. What will Jupiter be like in a billion years?