Core
The centre of a planet, star or galaxy. Earth's core is two distinc parts, a molten outer core and a solid inner core made from iron and nickle. It is the rotation of the molten outer core that gives Earth it's magnetic field.
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The centre of a planet, star or galaxy. Earth's core is two distinc parts, a molten outer core and a solid inner core made from iron and nickle. It is the rotation of the molten outer core that gives Earth it's magnetic field.