Eli5: how does for over 4.5b years the earths core still hasn’t cooled off? 380 viewsJanuary 1, 2024 Question100.55K February 11, 2023 0 Comments Eli5: how does for over 4.5b years the earths core still hasn’t cooled off? In: 6 8 Answers ActiveNewestOldest Anonymous Posted February 11, 2023 0 Comments That’s gravity and radiation times mass. Earth’s gravity heats itself. Radioactive decay also creates heat. Earth’s crust is a great insulator. You are viewing 1 out of 8 answers, click here to view all answers. Register or Login
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