13.8 - 4.6 Billion Years AgoEvery now and then, there is a cloude of dust floating in the sky.
4.6 Billion Years AgoSome exploding stars, known as supernovae, can send out shock waves, causing the clouds to collapse.
4.6 Billion Years AgoFrom a long time ago the cloud was there, there was a solar nebula, a swirling mass of material.
4.5 Billion Years AgoGravity in the nebula attracts matter. Its gravitational force is so strong that it can combine hydrogen atoms into helium, which releases energy, creating our Sun.
4 Billion Years Agosome other Matter that was more distant gathered together, creating planets, large moons, and small planets, the remnants of which created asteroids, comets, and smaller moons.
All this tells about the occurrence of the solar system