Across
- 3. believing the sun is the center
- 6. revolving of one object around another
- 7. lighter part of a shadow
- 9. going around one object
- 10. space objects that revolve
Down
- 1. planet too small to be one
- 2. small space object made of ice and dust
- 4. space objects that hit earth
- 5. small space objects
- 8. small space rocky bodys