Our Earth
Our Earth. And its Surrounds. Mantle: Mostly liquid 3,000km thick 1,000 to 3,700 0 C Magnesium, Iron, Aluminum, Silicon. Inner Structure. Crust: Solid 5-40km thick Up to 1,000 0 C Mostly igneous rock. Outer Core: Liquid 3,000km thick 3,700 to 4,300 0 C Nickel-Iron alloy
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