| A | B |
| Jupiter | The largest planet in the solar system |
| Pluto | The most distant planet from Earth in our solar system |
| orbit | The elliptical path one object follows around a larger object |
| Earth | This planet is sometimes called the "Blue Planet" or the "Water Planet" |
| solar flare | This occurs when a spot on the sun's surface explodes |
| satellite | One object which orbits around another. |
| gravity | The force which pulls a smaller object toward a larger object |
| UFO | unidentified flying object |