KS5 Stellar Evolution

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Across
  1. 3. The phase after the main sequence
  2. 7. For the core of a star to collapse past a certain point, it must overcome ____ degeneracy pressure
  3. 8. The main chemical fuel of red giants
  4. 9. The phase the Sun is currently in
  5. 10. When a low mass star dies, it leaves behind a ____ nebula
  6. 13. A type of rotating neutron star that emits radio pulses
  7. 14. The solid remains after the death of a low mass star
  8. 15. The explosive death of a high mass star
  9. 16. The phase before the main sequence
Down
  1. 1. Left behind after the deaths of the heaviest stars
  2. 2. A ____ star is left behind after the death of a high mass star
  3. 4. The point of no return around a black hole is the ____ horizon
  4. 5. Cloud of gas and dust collapse under this force
  5. 6. The process that powers a star is nuclear ____
  6. 11. Bigger than a red giant
  7. 12. The main chemical fuel of young stars