Librarians & Space

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Across
  1. 2. First U.S. Satellite: ********-1
  2. 7. Kepler-186f and 1 Pegasi b
  3. 10. “Invisible” feature near center of Milky Way
  4. 12. Great Observatory launched in 1990
  5. 13. Book lists and defines words
  6. 16. Home of NASA’s Johnson Space Center
  7. 17. Focus of NACA
  8. 18. Data repository
  9. 19. Agency before NASA
  10. 21. Checked out of the library
  11. 22. Home of world’s largest wind tunnel
Down
  1. 1. Jupiter moon that may have water
  2. 2. Signed National Aeronautics and Space Act
  3. 3. Wavelength detected by Chandra
  4. 4. NASA winner of Nobel Prize in physics
  5. 5. Library shelf sections
  6. 6. Study of materials and sources
  7. 8. Shape of Milky Way Galaxy
  8. 9. First NASA administrator
  9. 11. Massive star explosion
  10. 14. First Russian satellite
  11. 15. Space telescope used to find Trappist-1
  12. 20. Book of maps