Across
- 2. small rocks floating in space
- 6. the path something follows in space
- 7. the top or outside part of something
- 9. big round objects that move around the Sun
- 10. huge group of stars and planets in space
Down
- 1. round holes on a surface
- 3. tells how hot or cold something is
- 4. move around something
- 5. a person who travels in space.
- 8. a force that pulls things down