Unit 1 vocab

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Across
  1. 3. how hot a star is
  2. 5. star shedding its outer layer
  3. 6. fusing hydrogen into helium in its core
  4. 7. star extremely dense leftover core of a star that is spinning rapidly
  5. 8. very hot leftover core of a star
  6. 10. violent explosion of a star
  7. 11. cloud of gas and dust
  8. 13. beginning of the universe
Down
  1. 1. 90% of stars are in this stage
  2. 2. pattern of light when passed through a prism
  3. 4. area of extreme gravity where nothing can escape
  4. 5. not yet fusing hydrogen in helium in its core
  5. 9. used up its hydrogen fuel, much larger and red
  6. 12. how bright a star is