The document summarizes key information about our solar system, including the 8 planets and 3 dwarf planets. It describes the differences between inner and outer planets, and provides details about the composition and features of each planet and dwarf planet. Mercury has a thin atmosphere due to its proximity to the sun. Venus rotates clockwise and has a dense carbon dioxide atmosphere. Earth has one moon and life. Mars may have once supported life. Jupiter is large and gaseous. Saturn has iconic rings composed of ice particles. Uranus rotates on its side. Neptune has strong winds and many moons. Pluto, Ceres, and Eris are dwarf planets.