Stargazing

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Across
  1. 3. Famous constellation
  2. 6. Celestial dome
  3. 8. Gas cloud
  4. 9. Star clusters
  5. 10. Time after sunset
  6. 12. Viewing tool
  7. 14. Our galaxy
  8. 15. Sun or moon block
Down
  1. 1. Earth's satellite
  2. 2. Star group
  3. 4. Celestial body
  4. 5. Solar system body
  5. 7. Rings planet
  6. 11. Burning rock
  7. 13. Luminous points