the galaxy

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Across
  1. 4. a rotating disk of dust
  2. 6. group of stars
  3. 8. stars that are close together
  4. 9. a galaxy that is not spiral or elliptical
  5. 10. study the univers
  6. 11. a red coler star
  7. 13. method to measurement that are close to earth
Down
  1. 1. a lot of stars tightly together
  2. 2. all of the star sesutom an galixy gas an dust
  3. 3. big group of stars up to hundred thousand
  4. 4. arm that spiral outward
  5. 5. group of stars
  6. 6. egg shape galaxy
  7. 7. are galaxy
  8. 12. a ball of hot gas