Keywords

#planetary_core

Planetary core

Innermost layer(s) of a planet

A planetary core consists of the innermost layers of a planet. Cores may be entirely liquid, or a mixture of solid and liquid layers as is the case in the Earth. In the Solar System, core sizes range from about 20% to 85% of a planet's radius (Mercury).

Thu 18th

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Planetary core Earth's inner core Internal structure of the Moon Planetary nebula Core Earth's outer core Iron–nickel alloy Travel to the Earth's center Planetary differentiation Murder Drones
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