Question

why all planet revolve around the sun?​

Answer 1

Newton realized that the reason the planets orbit the Sun is related to why objects fall to Earth when we drop them. The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.

Answer 2

Because sun is the centre of solar system

And the Sun attracts the Earth and other planets by means of the force of gravity.

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