Galaxy

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Across
  1. 2. has plants in it
  2. 4. doesn't have arms
  3. 6. in the sky
  4. 7. our source of heat
  5. 9. no shape
Down
  1. 1. where we live
  2. 3. our galaxy
  3. 5. spiral
  4. 6. dense population of stars
  5. 8. holds galaxys