People often think all planets are alike, but there are actually three types of planets in the solar system. First, terrestrial planets are made of rock and metal and are closest to the sun. These include the midsize planets Mercury, Venus, Earth, and Mars. They rotate slowly and don't have many moons. Then, farther from the sun are the planets called gas giants, Jupiter, Saturn, Uranus, and Neptune. They are called gas giants because they are formed from gases such as hydrogen and helium. Gas giants rotate fast and have many moons. Finally, planetoids are objects made up of rock and ice and are too small to be true "planets." Planetoids sometimes even get pulled into a planet's gravitational field and become moons themselves. Whether they are terrestrials, gas giants, or planetoids, the planets in the solar system are fascinating 5. What is the paragraph about? 6. What things are enumerated to show three types of planets in the solar system? 7. What words or phrases signal the enumeration or listing?
