What is a solar system?

The Solar System is a system that is gravitationally bound. It features the Sun and all objects that orbit around it. The most known objects that orbit the Sun and are a part of the Solar System are the eight planets. Those planets are Venus, Mercury, Neptune, Mars, Jupiter, Uranus, and Saturn. There used to be nine planets, with the ninth being Pluto.

Due to its small size, it was turned into a dwarf planet in 2008. Eris, Ceres, Haumea, and Makemake are four other dwarf planets. The Solar System has been around for a long time, approximately 4.571 billion years. Along with these planets, the Solar System consists of comets, moons, and stars. When we look up in the sky, we see this system.

The Solar System is the system of planets of the Sun, and it includes any objects that orbit it. The objects can indirectly or directly orbit the Sun. The Solar System is approximately 4.571 billion years old. It consists of eight planets with are Venus, Mercury, Neptune, Mars, Jupiter, Uranus, and Saturn.

Dwarf Planet Pluto used to be a planet until 2008 when it officially became a dwarf. There are four other dwarf planets, which are Eris, Ceres, Haumea, and Makemake. Along with planets, the solar system includes moons, comets, and meteoroids. 99.86 % of the solar system's mass is from the Sun.