Most broadly, the sun and planets compose the solar system. But along with this are moons, stars, asteroids, black holes, and dwarf planets. Chemically speaking, the solar system is composed nearly entirely of hydrogen and helium.
Are you sure there are black holes in our solar system? I know there are black holes in our galaxy, but I don’t think they are in our sun’s solar system (yet).
The solar system is made up of planets which orbit the Sun. There are also moons, coments, asteriods, minor planets, dust, and gas. Everything in the solar system revolves around the Sun. It contains about 98% of all material in the solar system.
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