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Earth's rotation axis is an imaginary line that Earth spins around. The axis passes through the center of Earth and the geographic poles of the planet. The poles are the places that do not move but turn in place as Earth spins. Earth's axis is tilted relative to its orbit around the Sun (called the ecliptic). Image Credit: Dennis Nilsson
Earth's rotation axis is an imaginary line that Earth spins around. The axis passes through the center of Earth and the geographic poles of the planet. The poles are the places that do not move but turn in place as Earth spins. Earth's axis is tilted relative to its orbit around the Sun (called the ecliptic). Image Credit: Dennis Nilsson