Our Solar System includes the sun and all the Planets, Moons, Dwarf Planets, and Asteroids that orbit around it and the four plantes closest to the sun include Mercury, Venus, Earth, and Mars. These inner planets are made of rock and metals, They are quite small compared to the Outer Planets. The four Outer Planets are called gas giants because they are made mostly of gases. The Outer Planets include Jupiter, Saturn, Uranus, and Neptune, The most well-known dwarf planet in our Solar System is Pluto.
