Across
- 2. warm up cool down
- 6. cooler spot in surface
- 8. aperint shift
- 9. bright center of a distent galexy
- 10. loop of gas
- 12. squeez atoms together
- 13. collapsed nuetron star no light excapes
- 14. 6 million years
- 15. raisens pread apart as bread rises
- 16. hottest layer of atmesphire
- 17. collapsed core of a high mass star
- 18. all new stars
Down
- 1. all old stars
- 3. of dust and gas
- 4. tells us galixsies are moved away
- 5. stream of charged particals
- 7. fusion of h2 and he
- 11. starts an expantion