american31

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Across
  1. 2. Robotic explorer on Mars.
  2. 4. Soviet space program.
  3. 6. Space telescope launched in 1990.
  4. 8. First U.S. manned space program.
  5. 12. International Space Station.
  6. 13. Soviet moon probe series.
  7. 16. 1969 historic event.
  8. 18. Second man on the moon.
  9. 19. U.S. space agency.
  10. 20. First name of Armstrong.
Down
  1. 1. President who challenged to go to the moon.
  2. 3. NASA moon mission program.
  3. 5. Reusable spacecraft program.
  4. 7. First man on the moon.
  5. 9. Moon landing craft.
  6. 10. First artificial satellite.
  7. 11. Gagarin's spacecraft.
  8. 14. Context for the Space Race.
  9. 15. Program preparing for moon landing.
  10. 17. First human in space.