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Travel & Places
Earth Sciences
Planet Earth

Why is the earth not a perfect sphere?

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Wiki User
September 24, 2015 9:57PM

because it two poles on the Earth causes it to bugle out in the middle.

It spins on its axis and the centrifugal force makes the part at the equator bulge out slightly.

symtrifical force my friend. as the earth spins, rock, water, everything on the side is pushed outwords as if you spun a rock on a rope around, it would push outwords.
Earth is not a perfect sphere because the rotation of the planet has slightly distorted the shape.