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The inner core is 1216 km and made of solid iron. It is approx 5000 degrees C and it doesnt melt bec
From its boundary with the outer core to the very center of the Earth, about 1220 kilometers.
1,216 km (760 mi) in radius, or about 70% that of the Moon.
The thickness of the inner core is 1,200 km. 1,200 km(radius) and the density of the inner core is o