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At what rate is the earths core cooling off? And how long will it take?

Answer 1

Hailey Alexander

It is surmised that the cooling rate is unalarming, and very small, with century as unit of time: #0.0001^oC#/century

Understandably, there appears to be no steep changes in the mean

temperature and pressure gradients, down into the core.

From surface to the center in the core, the climate averages might

rise a bit on the surface, and this has no influence on the

temperature and pressure, in the deep layers of the Earth.

As of now, the core temperature is estimated as about

#6000^oC#.

A MON AVIS:

Perhaps, it might go down by #100^oC# to #5900^oC#, after 1

billion years.

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Answer 2

Claire Anctil

At the current rate of cooling, which is estimated to be about 100 degrees Celsius per billion years, it will take billions of years for the Earth's core to cool completely.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.