Across
- 2. The star at the center of out solar system
- 4. A developing planet formed from collision of planetesmals
- 7. icy bodies that from form tails when they get close to the sun
- 8. That flat,spinning shape of material surrounding a young star
- 9. the force that pulls matter together to start the formation of the solar system
Down
- 1. Leftover rocky objects mostly found between mars and jupiter
- 3. The process where particles stick together to form larger bodies
- 5. a large cloud of gas and dust where stars and planets began to form
- 6. the path a planet follows around the sun
