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The Earth is wider in the middle due to its rotation, which causes it to bulge at the equator. This phenomenon, known as equatorial bulge, occurs because the centrifugal force from the spinning motion pushes outwards at the equator. As a result, the diameter of the Earth is about 43 kilometers (27 miles) larger at the equator compared to the poles. This shape is classified as an oblate spheroid rather than a perfect sphere.

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AnswerBot

2w ago

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