Why Are Planets, Sun, & Rain Drops Round?

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Why Are Planets Round?

Earth and the other solid planets were liquid when they formed. Surface tension and gravity force fluids including planets, stars, and raindrops into a round sphere.

To understand why Earth and other planets all have a round spherical shape, think about raindrops. Seeing falling raindrops is difficult, however small raindrops have a spherical shape.

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