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verdigris
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A Wikipedia article says:
"The surface of the inner core exhibits rapid variations in properties at scales at least as small as 1 km. This is puzzling, since lateral temperature variations along the inner core boundary are known to be extremely small (this conclusion is confidently constrained by magnetic field observations)."
Why do small temperature variations correspond with relatively large variations in the properties? What is the explanation for this?
"The surface of the inner core exhibits rapid variations in properties at scales at least as small as 1 km. This is puzzling, since lateral temperature variations along the inner core boundary are known to be extremely small (this conclusion is confidently constrained by magnetic field observations)."
Why do small temperature variations correspond with relatively large variations in the properties? What is the explanation for this?