The Earth has been cooling slowly since its creation ~4.5 billion years ago, but new research on the mantle-derived mineral, bridgmanite, suggests it’s actually a bit faster than previously expected. What does this mean for the future of our planet?
Source Material:
M. Murakami, A.F. Goncharov, N. Miyajima, D. Yamazaki, N. Holtgrewe, Radiative thermal conductivity of single-crystal bridgmanite at the core-mantle boundary with implications for thermal evolution of the Earth, Earth and Planetary Science Letters, Volume 578.
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https://www.sciencedirect.com/science/article/pii/S0012821X21005859
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