Across
- 3. too numerous to be considered planets
- 4. a meteoroid that has hit earths surface
- 7. objects that revolve around the sun that are to
- 8. a streak of light in the sky produced by burning
- 9. a scientist who studies the universe beyond earth
- 10. a ball of ice and dust orbit usually a long narrow
Down
- 1. any object that revolves around another object in
- 2. a chunk of rock or dust in space
- 5. the path of an object as it revolves around another
- 6. the study of the moon stars and other objects