INNERCORE

Inner core

The inner core of the Earth, its innermost part, is a primarily solid ball with a radius of about, according to seismological studies. It is believed to consist primarily of an iron–nickel alloy, and to be about the same temperature as the surface of the Sun: approximately 5700 K .

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inner core

Noun

  1. The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core.
    1. The innermost part of the Earth, believed to be made of a nickel-iron alloy.


The above text is a snippet from Wiktionary: inner core
and as such is available under the Creative Commons Attribution/Share-Alike License.

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