Telescope as Time machine

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Across
  1. 5. Pulse of energy
  2. 7. Another eye in the sky
  3. 11. Our closest celestial family
  4. 12. Nearby star
  5. 13. Pinwheel galaxy
  6. 15. The youngest and the _____
  7. 19. The blanket above us
  8. 21. All there is
  9. 23. A blue star is this
  10. 24. Speediest traveler
  11. 26. How much it shines
  12. 28. Change over time
  13. 30. Much stranger than that of Alice’s rabbit
  14. 31. Opposite of contracting
  15. 32. Lots made where stars are born, abbreviation
  16. 33. The farthest artifact
  17. 35. Raw material for new stars
Down
  1. 1. Surveying the galaxies
  2. 2. Make longer
  3. 3. Great balls of fire
  4. 4. Space agency of the U.S.
  5. 6. Common to human, octopus, and some galaxies
  6. 8. Age of the universe, times about 12 years
  7. 9. More than blue
  8. 10. Star student
  9. 14. Amoeba-like galaxy
  10. 16. Like air out in space
  11. 17. Egg-shaped galaxy
  12. 18. Viewer into the past
  13. 20. Light made longer
  14. 22. Our galactic home
  15. 25. What started the whole thing
  16. 27. Light gets under your skin
  17. 29. A red star is this
  18. 33. True nothingness
  19. 34. From where we stand