Exploring the Galaxy Crossword

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Across
  1. 1. Change over time
  2. 5. Surveying the galaxies
  3. 7. Great balls of fire
  4. 11. A red star is this
  5. 12. How much it shines
  6. 14. From where we stand
  7. 17. Space agency of the U.S.
  8. 19. A blue star is this
  9. 20. Egg-shaped galaxy
  10. 22. More than blue
  11. 23. Light gets under your skin
  12. 24. Like air out in space
  13. 25. Nearby star
  14. 27. Star student
Down
  1. 1. Opposite of contracting
  2. 2. True nothingness
  3. 3. Light made longer
  4. 4. The farthest artifact
  5. 6. Speediest traveler
  6. 8. Pinwheel galaxy
  7. 9. All there is
  8. 10. Amoeba-like galaxy
  9. 13. Raw material for new stars
  10. 15. The youngest and the _____
  11. 16. Our closest celestial family
  12. 18. Make longer
  13. 21. Common to human, octopus, and some galaxies telescope Viewer into the past
  14. 26. Much stranger than that of Alice’s rabbit