Answer :
The answer is d. The solar system used to have a bunch of dust and particles in the air, after a while gravity pulled the particles together and formed the sun and the other planets.
D. Gravity pulled particles of dust and gas together to form planets.
- The solar system used to have a bunch of dust and particles in the air, after a while gravity pulled the particles together and formed the sun and the other planets.
- The sun's gravity pulls the planet toward the sun, which changes the straight line of direction into a curve. This keeps the planet moving in an orbit around the sun because of the sun's gravitational pull, all the planets in our solar system orbit around it.
- The sun could hold 1.3 million Earths so its mass has a strong gravitational pull. When a planet tries to go past the sun at a high rate of speed, gravity grabs the planet and pulls it towards the sun.
Therefore, option D is correct.
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