Across
- 2. Hot ball of gas
- 3. ice and dust
- 4. burning meteoroid
- 7. attracts all objects newtons law
- 8. measure of force of gravity on a object
- 10. Day/night
- 11. orbits a star
- 12. The imaginary line earth leans on
- 13. another object that revolves itself around another object
Down
- 1. system of organizing time
- 2. object that orbits a planet
- 3. grouping of stars
- 4. amount of matter in a object
- 5. 1year= seasons
- 6. resits change of motion
- 9. attract all objects towards each other