How the Sun formed is explained in 20 simple steps or points: Giant gas cloud: About 4.6 billion years ago, a huge cloud of gas and dust (called a nebula) was floating in space. Gravitational contraction: When a disturbance occurs in this nebula from somewhere (such as a supernova explosion), the gas and dust begin to gather together under the force of gravity. Start of rotation: As the nebula contracts, it see more…https://short-link.me/10CCz