What is the core of the Earth made of?

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Answer 1 · 2015-12-27T10:15:05

Mainly iron.

The Earth's solid inner core is thought to consist of iron crystals and some heavier elements. The liquid outer core is an iron/nickel alloy.

Answer 2 · 2015-12-27T10:55:02

Mostly iron

So earth's core is mainly composed of iron