Puzzle #16

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Across
  1. 4. A violent rotating column of air
  2. 5. Related to fireworks
  3. 9. A ship or large boat
  4. 12. A vast system of stars and planets
  5. 17. A large, snake-like creature
  6. 19. A vast body of saltwater covering most of Earth
  7. 21. A tower with a guiding light
  8. 22. A person who navigates boats
  9. 26. A light, inflatable object
  10. 27. A flat-bottomed boat used in Venice
  11. 29. A temporary wall or fence
  12. 30. A bird of prey known for its speed
  13. 31. The flower of a plant
  14. 34. The outline of buildings against the sky
  15. 37. When the sun or moon is temporarily blocked
  16. 39. An underground passageway
  17. 40. A gentle wind
  18. 41. A mythological creature with a lion’s body
  19. 42. A marine organism that forms reefs
  20. 43. A projectile fired from a gun
  21. 44. A headpiece worn by a king or queen
  22. 46. A portable light source
  23. 47. A bird that cannot fly
  24. 48. Another name for a violin
Down
  1. 1. An underwater missile
  2. 2. A violent tropical storm
  3. 3. The preserved remains of an ancient organism
  4. 5. A public square in a city
  5. 6. Related to ocean tides
  6. 7. A fortress often occupied by royalty
  7. 8. The time when the sun appears over the horizon
  8. 10. A long-distance running race
  9. 11. A common crystal found in rocks
  10. 13. A sudden rush of falling snow
  11. 14. A space rock burning in Earth’s atmosphere
  12. 15. A large tent or structure
  13. 16. A dry, sandy region with little rain
  14. 18. An optical illusion often seen in deserts
  15. 20. A tall tower or marker
  16. 23. An ancient counting tool
  17. 24. A burial place
  18. 25. A deep, narrow valley
  19. 28. A machine that performs tasks
  20. 32. A large group of musicians
  21. 33. A long journey for exploration
  22. 35. A marsupial that hops on two legs
  23. 36. A landmass surrounded by water
  24. 38. A long period without rain
  25. 45. A dense, tropical forest