Star Life Cycle

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Across
  1. 2. Star color that dies first; is rare
  2. 3. What a supernova becomes if it doesn't become a black hole
  3. 4. Dense core contracts
  4. 6. End of life for low/medium mass stars
  5. 10. When stars start to fuse hydrogen to helium
  6. 12. Stage where stars run out of hydrogen
  7. 14. What red giants turn into
  8. 15. Starting point for all stars
  9. 16. Last stage in star life cycle
  10. 18. No light can escape
Down
  1. 1. Star explosion
  2. 5. Fuse hydrogen and helium only
  3. 7. Stage before black dwarf
  4. 8. Fuse hydrogen, helium, and heavier elements through iron
  5. 9. Found inside clumps; can become stars
  6. 11. First, brief part of the life cycle
  7. 13. Point when protostar has reached near final mass
  8. 17. Star color that dies last; is common
  9. 19. Regions of higher density in molecular clouds