It’s a Bird, It's a Plane, It’s Superman! Or… is it?

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Across
  1. 2. Allergy season is here
  2. 5. “Look it’s the London ____”
  3. 6. “Light-bringer”, fallen angel
  4. 7. Titan is the moon of what planet in our solar system
  5. 8. Jumping Olympic sport that “Eddie the eagle” used to compete in
  6. 11. Short horizontal bar hung by ropes, typically used in circus performances
  7. 13. The calm is in the eye of the storm
  8. 14. When a celestial body obscures another celestial body
  9. 17. Planet in our solar system that has 79 moons
  10. 19. A person that is trained and certified by the Russian Space Agency to work in space
  11. 21. Constellation known for its three stars that make up the belt
  12. 22. Movie that stars the character Dusty Crophopper
  13. 24. Mulan’s dragon friend
  14. 26. A group of dragons
  15. 27. A rigid framework composed of only two force members
  16. 28. Aircraft without an internal structural frame
Down
  1. 1. Canadian owned airline company
  2. 3. As my astrophysics teacher calls them “clouds in space”; clouds of dust and gas in space
  3. 4. What planet did superman come from?
  4. 9. Toy that you take out on windy days
  5. 10. Known colloquially as the redbird
  6. 12. The “wispy” looking clouds in the sky
  7. 15. A jump into water that produces a large splash; or a round solid projectile
  8. 16. Small unmanned aerial vehicle
  9. 18. OHO Canada’s official postal code for Santa in the North Pole
  10. 19. Sadako’s goal was to fold 1000 of these
  11. 20. To sail or hover in the air, often at a great height
  12. 22. Name of object propelled by a catapult
  13. 23. Earth’s shape is an oblate ____
  14. 25. Infrared space telescope; formerly known as the “Next Generation Space Telescope”