| A | B |
|---|
| Jupiter | the largest planet |
| Mars | the planet that is most like Earth and is red |
| Mercury | the closest planet to the Sun |
| Venus | the planet covered in clouds made of acid and is about the same size as Earth |
| Earth | the planet with air, water, and an atmosphere |
| Saturn | the planet with many rings made of ice |
| Uranus | a greenish planet with poisonous gases |
| Neptune | the planet that has rings we can't see from Earth |
| Pluto | it has a moon that is bigger than it |
| Asteroids | rocks in outer space that are like very small planets |
| Asteroid Belt | a rocky path between Mars and Jupiter |
| Comet | an icy object that has a glowing tail |
| Sun | the star closest to Earth |
| Planet | a large object in space that revolves around a sun |
| Solar System | it has the Sun, the planets and their moons, and other objects that revolve around the Sun |
| Inner Planets | planets that have shorter years |
| Outer Planets | planets that are extremely cold and have very long years |
| Moon | an object that revolves around a planet |
