Across
- 4. dark open place outside of earth
- 7. a ring of thousands of asteroids
- 8. a rock that has landed
- 10. a group of planet
Down
- 1. a rock in the atmosphere
- 2. lots of galaxies
- 3. contains asteroids
- 5. a ball of ice and dust that orbits the sun
- 6. a rock in space
- 9. contains asteroids