Coomb t1_iv3irkn wrote
Reply to comment by Due-Software-5357 in If the inner core is the hottest part of the Earth, hotter than the liquid outer core, then why is it a solid? by Paradigm7657
It is definitely not the case that in a solid at temperature greater than absolute zero, the constituent particles of the solid are not moving. In fact, at 3,000K they would be moving quite quickly relative to liquid water at room temperature. It's just that the restoring force from the pressure would be adequate to confine them to their places in the lattice.
Due-Software-5357 t1_iv6qkc6 wrote
I should have started that there is no movement between the molecules (in a frozen state). Your statement is more concise.
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