thelangster4th

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