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 gas? - Quora

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Why is Earth's molten, metallic core important to humans living today? - Quora

Why does the density increase towards of the earth? - 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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Are the giant gas planets combustible? - Quora

Is the Sun solid, liquid or gas? - Quora

What is the Earth's core? - Quora

What materials make up the Earth's inner core? - Quora