Is the Earth's core solid, liquid, or gas? - Quora

Answer (1 of 7): The outer core (between ~1220 km to ~3400 km from the Earth’s center) is theorized to be liquid, while the inner core (less than 1220 km from the center) is solid. This is based on seismic data, where the inner ore has been observed to reflect seismic waves.

Is the Earth's core solid, liquid, or something else? - Quora

What is the inner core made of? Why is it solid? - Quora

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Why is the Earth's core liquid and not entirely solid? - Quora

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How deep is it to the Earth's core's center in feet? - Quora

Why is the inner core solid? - Quora

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Are the giant gas planets combustible? - Quora

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What is the percentage of the earth's crust that has been subducted into the mantle? - Quora