Across
- 3. the theory of the formation of the solar system
- 4. also affect gravitational force
- 8. formed from a cloud of gas ice and dust
- 10. holds the universe together
- 11. how much matter is in an object
- 12. the agglomeration of small objects to become one large (like the formation of a star, moon or planet)
Down
- 1. Jupiter has 69 of them
- 2. huge collections of stars, gas, dust... the universe has billions of them.
- 5. unit of measure in the solar system (we did it outside as part of our conversion)
- 6. controls motions of objects in space
- 7. chunks of rock and ice
- 9. affects gravitational force