Across
- 2. The small red planet next to Earth
- 5. The rock that circles around the Earth
- 6. The planet we live on
- 7. The part of the universe outside Earth
- 8. Move in a circle around something
- 9. The biggest planet in our solar system
Down
- 1. A large object that circles a star
- 3. A small rock that orbits the sun
- 4. A group of billions of stars held together
- 5. An object that falls to Earth from space
- 7. A giant burning ball of gas in space