Star Lifecycle Crossword

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Across
  1. 3. Light cannot escape this lifecycle stage's grasp
  2. 4. The colossal explosions of stars.
  3. 5. Has a carbon core, surrounded by hot gas.
  4. 7. These stars exhausted their hydrogen supply
  5. 9. They're pulsars spin super fast.
  6. 10. Have super duper strong gravitational forces
  7. 11. The first star lifecycle stage.
Down
  1. 1. The left behind blue-white core of a star.
  2. 2. the cooled down corpse of another lifecycle stage
  3. 6. Our sun is in this stage
  4. 8. These are not yet hot enough to produce their own energy.