Across
- 2. suggest that there is a force that pulls objects
- 4. measure of the gravitational pull on the object
- 7. how measure of much matter an object is made out of
- 9. the center of our universe
- 10. curved trajectory
Down
- 1. Earth has one
- 3. where we live
- 5. the force that pulls object together
- 6. was a planet
- 8. millions of it in the universe
