Radial Shrinkage and the Pillars of the Earth

From the beginning I predicted the outcome;
long ago I foretold what would happen.
I said that my plans would never fail,
that I would do everything I intended to do.

(Isaiah 46:10) Good News Translation

I had a tweet that asked the question: Why is the interior of the Earth hot? This started a conversation that revealed what we really know about the interior of the Earth. It started like this:

An answer to the question "Why is the interior of the earth hot?"

Why is the interior of the Earth hot?

“Because it has a core that is almost entirely magma. Magma is molten rock and therefore it is hot.”

– Scientifically illiterate science worshiper
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