Types of Stars

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Across
  1. 2. when a massive star collapses and gravity pulls it into a singularity
  2. 9. hydrogen shell burning (aged main sequence star)
  3. 10. very large expanded star, though not as massive or bright (nuclear fusion is stopping)
  4. 11. emits beams of electromagnetic radiation out of its poles and spins
  5. 13. type G (our Sun)
  6. 17. right before main sequence begins
  7. 19. scatter plot of stars
  8. 20. known as failed stars
Down
  1. 1. collapsed cores of massive stars after a supernova explosion
  2. 3. collection of collapsed gas
  3. 4. hottest and most massive main sequence stars
  4. 5. massive, hot and bright stars
  5. 6. two stars that orbit around a common center of mass
  6. 7. hot, massive, bright and have a short life that ends in supernova
  7. 8. fusion powerd stable stars
  8. 12. largest stars in the universe
  9. 14. good candidate for extraterrestrial life
  10. 15. nuclear fusion has stopped and star collapses inward
  11. 16. most common type of star
  12. 18. not massive enough to fuse hydrogen