3 ms·
I don’t think we’re exactly sure how much of the Earth’s heat is due to radioactive materials in the core or just left-over heat from its formation, but either
by mr_toad 4y ago
I don’t think we’re exactly sure how much of the Earth’s heat is due to radioactive materials in the core or just left-over heat from its formation, but either way a super Earth should have more of both.
- hinkley 4y agoOne of the early pieces of evidence for the existence of radioactivity had to do with the fact that the Earth’s core is way too hot to be billions of years old. Even if there were coal veins down there just burning slowly forever.