To which group of celestial bodies does the sun belong, and to which earth?

The sun is a star – an object consisting of hot gas heated by a thermonuclear reaction going on inside it. Earth – this planet, consisting of relatively heavy elements such as silicon, oxygen, iron, on this basis, it belongs to the terrestrial planets. Stars are thousands of times heavier than planets, all known planets revolve around stars, just as the Earth revolves around the Sun. Stars can move around more massive stars or around the center of the galaxy.