Across
- 1. A planet that is known as the Red Planet
- 3. A device which is used to observe distant objects in space
- 4. A force which attracts objects toward each other
- 6. The path that an object follows around a planet or star
- 8. A celestial body which orbits the Earth
Down
- 2. An object which orbits the Earth or other planets
- 5. A person who travels into space
- 7. A vehicle that is used to launch into space