Across
- 1. 365 revolutions around the...
- 3. gravity pulls clouds together forming star
- 4. gravity pulled... together.
- 5. our solarsystem has 8...
- 9. a nebual starts as a particle cloud
- 11. our planet is called...
- 12. one of the first atoms formed after the big bang
- 13. the milkyway is our...
- 14. one point of high...
Down
- 1. planetesimals are formed
- 2. rotating disk forms and larger masses are drawn in
- 6. the largest planet is called
- 7. the expansion of the universe from one point
- 8. Einstein's theory of... if matter travels at the speed of light it will turn into energy and energy will turn to matter.
- 10. accret by colliding with others