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‘Our results could give us a new perspective on the evolution of the Earth’s dynamics’.

The Earth’s core is cooling more quickly than we realised, scientists have found – and the discovery could have important implications for the future of our planet.

One of the ways of answering that question is to delve into the minerals that make up the boundary between the Earth’s core and its mantle.

That is where rock meets the molten core, and so is one of the key parts where the rate of that cooling will be decided.

And they were shocked to find that it is actually more conductive than they thought, suggesting that the heat is likely flowing out of the core more quickly too.

If the Earth is cooling more quickly, then the various effects of that process would be altered too.

They suggest that Earth, like the other rocky planets Mercury and Mars, is cooling and becoming inactive much faster than expected,” Murakami said.

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