The solar system is made up of the Sun, 8 planets and their Moons, and asteroids that orbit the Sun. In addition, the solar system also consists of moons, comets, asteroids, dwarf planets, dust and gas. In the 16th century, the Polish astronomer Nicolaus Copernicus discovered that the Sun the was the center of the solar system. The planets orbited around it, and moons orbited around the planets. His discovery has been accepted up to the present.