Astronomy

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Across
  1. 3. Universe seen as a well-ordered whole
  2. 6. Path of celestial bodies
  3. 7. Relating to space
  4. 9. Tool for observing space
  5. 11. Spacecraft launcher
  6. 14. Relating to the moon
  7. 15. Earth's natural satellite
  8. 16. Interstellar gas cloud
  9. 18. Relating to planets
  10. 20. Force attracting objects
  11. 21. All of existence
  12. 24. Small rocky object
  13. 25. Tilted planet
  14. 27. Small meteoroid
  15. 28. Extraterrestrial life
  16. 29. Largest planet
Down
  1. 1. Region of strong gravity
  2. 2. Dwarf planet
  3. 4. Vacuum of the universe
  4. 5. Relating to the sun
  5. 8. Relating to stars
  6. 10. Blocking of light
  7. 12. Icy celestial body
  8. 13. Milky Way's classification
  9. 15. Red planet
  10. 17. Hottest planet
  11. 19. Ringed planet
  12. 22. Twinkling celestial body
  13. 23. Star at the center of our solar system
  14. 24. Space traveler
  15. 26. Orbiting celestial body