Impossible Crossword

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Across
  1. 1. Massachusetts Institute of Technology
  2. 5. close working relations between person and organization
  3. 6. 3.14
  4. 8. pregnant goldfish
  5. 10. sea plant
  6. 14. the youngest country
  7. 16. singer of Purple Rain
  8. 17. bad guy in star wars
  9. 18. writer of the Iliad
  10. 21. easter island statues
  11. 22. express sharp disapproval
  12. 23. what is the longest color wavelength
  13. 24. vice president under Chester A. Arthur
  14. 28. PfeffErminZ
  15. 29. author of The Bells
  16. 31. Ohio state buckeyes mascot
  17. 33. tallest building in the world
  18. 35. first man on the moon
  19. 37. what does the 'D' in D-day stand for
  20. 38. Government in the U.s.
  21. 40. National Oceanic and Atmospheric
Down
  1. 2. Islamic State of Iraq and Syria
  2. 3. founder of microsoft
  3. 4. lord of the rings author
  4. 7. narrow land strip with water on each side
  5. 9. crossword aficionado
  6. 11. scientist that discovered gravity
  7. 12. pocket square simply
  8. 13. star name pronounced like 'beetle juice'
  9. 15. religious song or poem
  10. 19. libraries usually
  11. 20. sun centered
  12. 25. president during watergate scandal
  13. 26. lincolns killer
  14. 27. Al qaeda terrorist
  15. 29. word or phrase that is the same backwards and forwards
  16. 30. two opposite meanings
  17. 32. president on the 20
  18. 34. Free Application for Federal Student Aid acronym
  19. 36. Tv judge
  20. 39. hi in vietnamese