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The inner core of the Earth, its innermost hottest part as detected by seismological studies, is a primarily solid ballabout 1,220 km (760 mi) in radius, or about 70% that of the Moon. It is believed to consist of an iron-nickel alloy, and may have a temperature similar to the Sun's surface, approximately 5700 K (5430 °C).

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12y ago

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Is the inner core solid?

Yes, the inner core of the Earth is solid.


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