how the sun was formed

The sun was formed a long time ago. The first thing that happened would be the universe is full with dust and gas. Gravity pulls in more gas as time goes on. Then the core gets very dense and hot and filled with pressure. It then created fusion. Fusion is when 2 atoms combine to make something. The formation of the sun uses accreation and gravity.

Is The sun a Planet? Is pluto?

Pluto isn’t a planet because it’s not the biggest thing in its neighborhood. There are other things in the kuiper belt. To be a planet it would have to have the biggest gravitational pull in the kuiper belt. Pluto is a sphere and it orbits around the sun it just doesn’t have a very big gravitational pull. My body, the sun, isn’t a planet. A planet needs to be a sphere, needs to have the biggest gravitational pull in its neighborhood and to orbit around….well….the sun! the sun is all of those things except the last one. the sun can’t orbit around itself! it has a diameter 1,392,000 kilometers and it’s a sphere but it can’t orbit itself. so the sun is not a planet.

how big is the sun?

The little white spot next to the sun is the comparison of the earth and the sun. The sun is 1,392,000 kilometers! It's huge compared to the earth that is only 12,800 kilometers. about 100 million earths can fit in the sun!