this post was submitted on 28 Oct 2026
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All energy comes from the sun except for geothermal which comes from the Earth's rotational momentum which might as well be the sun because it wouldn't rotate without something to orbit around.
Technically nuclear came from a different star. The sun won't create those kinds of heavier elements until it burns through its hydrogen and helium fuel to start fusing its way up to lead, and I don't think it's massive enough to actually reach the kind of supernova collapse required to smash lesser elements together into heavier elements than that in any significant amount. So technically, fission is the only the form of energy that isn't based on solar. It's just the still-cooling-embers leftover from someone else's dying star, a whole bunch of billions of years ago. I guess you could say the sun's gravity at least attracted it all into this general vicinity though, at least until the Earth's own gravity started pulling its own weight.
emm that is not the source of geothermal energy..
TIL - according to one source 80% of the geothermal energy comes from radiation and the remaining 20% is from the sun.
geothermal which comes from the Earth’s rotational momentum
umm.. that is not the source of geothermal energy..
Didn't the molten core also originate in some way from the sun?
Probably