Exploring the galaxies

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Across
  1. 2. Light get under our skin
  2. 3. The age of the universe, times about 12 years
  3. 4. Egg-shaped galaxy
  4. 8. How much it shines
  5. 9. Surveying the galaxies
  6. 12. A red star is this
  7. 13. Common to humans, octopus and some galaxies
  8. 16. Viewer into the past
  9. 17. Where we stand
  10. 18. True nothingness
  11. 21. All there is
  12. 23. raw material for new stars
  13. 24. Great balls of fire.
  14. 25. Nearby star
  15. 26. Another eye in the sky
  16. 30. Like air out in space
  17. 31. Star student
  18. 32. The youngest and the _____________
  19. 33. Lots made when stars are born (abbreviation)
Down
  1. 1. Our home galaxy (2 words)
  2. 2. Pinwheel galaxy
  3. 3. Much stranger than Alice's rabbit (2 words)
  4. 5. More than blue
  5. 6. What started the whole thing
  6. 7. Our closest celestial family (2 words)
  7. 10. Amoeba-like galaxy
  8. 11. Space agency of the USA
  9. 14. The farthest artefact
  10. 15. A blue star is this
  11. 17. Opposite of contracting
  12. 19. The blanket above us
  13. 20. Light stretched out (2 words)
  14. 22. pulse of energy
  15. 27. the speediest traveller
  16. 28. Make longer
  17. 29. Change over time