Celestial Bodies

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Across
  1. 5. The most famous spiral galaxy. You also live in it
  2. 7. An all-consuming region found at the center of galaxies
  3. 8. The second largest moon in our solar system that sounds like it should be the largest
  4. 12. The actual largest moon in the solar system
  5. 14. Star labeled by one of the cardinal directions
  6. 15. The largest category of stars; the name implies it needs settling down
  7. 18. Also an element used to measure heat; fitting due to its location
  8. 20. Planet with the most visibly wonky orbit
  9. 21. Earth’s sister planet. Named after the Roman analog of Aphrodite
  10. 22. King of the planets
  11. 24. The name has a nice “ring” to it. (not really)
Down
  1. 1. Drifting object in space that is often depicted with a “tail”
  2. 2. Largest moon of what was once the smallest planet in our solar system
  3. 3. Name of a famous comet that intermittently appears in our sky. Last appearance was 1986
  4. 4. The least impressive result of a star's death
  5. 6. The most distant current planet in the solar system. Also an exclamation by Mrs. Puff
  6. 9. Many of these make up an area in the solar system that is also an article of clothing
  7. 10. Planet in our solar system that has by far the most unique atmosphere
  8. 11. One of the most recognizable objects in our sky that has yet to receive a unique name
  9. 13. The next object humans are looking to land on
  10. 16. The galaxy we are eventually going to collide with
  11. 17. One of these caused the end of the Cretaceous period
  12. 19. Enigmatic objects that give off an immense amount of energy. Also powered by supermassive black holes
  13. 23. The runt of the litter as far as planets in our solar system go
  14. 24. As it turns out, a very uninteresting star when considering all factors except for its proximity to us