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1)started as swirling could of gas and dust called a Nebula

2)Gravity pulled most the matter towards the center and the cloud spun faster.

3)Fusion starts..... a star is born.

4)Heat from the sun gets rid of gas around the forming planets.

5)Gravity and rotation cause the protoplanets to become denser.

6)Matter circling the planets become moons. Then the left over matter becomes asteroids, meters, and more.

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12y ago

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