In Geology

What is the thickness of the inner core?

The thickness of the inner core is 1,200 km. 1,200 km being the radius of the sphere known as the inner core.
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How thick is earth's inner core?

The inner core is 1216 km and made of solid iron. It is approx 5000 degrees C and it doesnt melt because of everything else pushing down on it.
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In Poses

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