Across
- 3. space rock in space
- 5. a piece of rock similar to a material made on planets
- 6. the idea of the sun being the center of everything
- 7. a shadow cast by the moon or earth
- 8. dirty snow ball
- 11. a almost but not quite perfect circle
Down
- 1. the motion of a object going around a object
- 2. space rock on the earth
- 4. object that
- 9. burns up in atmosphere
- 10. any object that orbits another object