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.

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Counting the entirety of Earth, is the Earth more solid or liquid? - Quora

Is there any fourth state of matter other than solid, liquid, and gas? - Quora

In our solar system, why are the gas giant planets considered planets? Don't planets have to consist of rock or metal of some sort? - Quora

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

What is the temperature of the Earth's core, and how is it measured? - Quora