What is the solar system
solar system solar system The celestial body system composed of the sun and the celestial bodies running around it under its gravitational force, including the sun, planets, asteroids, satellites, comets, meteoroids and interplanetary matter. The central celestial body, the sun, is the only star that can see the apparent circle, accounting for 99.865% of the total mass of the system. From near to far from the sun, the nine planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune