Universe Vocabulary Crossword

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Across
  1. 2. ball of glowing gas at a very high temperature
  2. 3. stars that are grouped closely together
  3. 6. group of hundreds of thousands of stars
  4. 7. a large red-colored stars that is collapsing inward on its self
  5. 8. galaxies that are not spiral or elliptical
  6. 10. arms that spiral outward off of galaxies
  7. 12. our galaxy
  8. 13. star two stars orbiting each other
  9. 14. study of the universe
Down
  1. 1. the leftover material in the core after a supernova explosion
  2. 2. rotating disk of stars and dust
  3. 4. a galaxy that only has a few billion stars
  4. 5. nuclei of two atoms combine to form a new atom
  5. 9. egg-shaped rotating galaxy
  6. 11. group of stars