53 - 1950s Science & Technology

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Across
  1. 2. – Related to space observation
  2. 5. – First successful U.S. satellite
  3. 7. – Radiation detection device
  4. 12. – Disease protection process
  5. 13. – Early TV recording method
  6. 14. – Soviet Moon probe series
  7. 15. – High-altitude region studied
Down
  1. 1. – TV screen display
  2. 3. – Measures TV and radio waves
  3. 4. – Full name of polio
  4. 6. – Early U.S. rocket
  5. 8. – Light particle in TV screens
  6. 9. – Oral polio vaccine form
  7. 10. – Soviet launch site
  8. 11. – First name of Salk