The document provides information about the solar system and the sun. It states that the sun and celestial bodies revolving around it make up the solar system. It maintains these objects in orbit through gravitational attraction. It also describes the eight planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune - and provides a table with each planet's radius, distance from the sun, density, and number of satellites. Terrestrial planets are composed mainly of rock, while Jovian planets are composed primarily of gases.