Exploring Space

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Across
  1. 5. Professional space traveler
  2. 6. Two-man missions before Apollo
  3. 7. SpaceX next-gen super-heavy vehicle
  4. 8. Nickname for Mars
  5. 9. Rocky solar-orbiting body
  6. 11. Powered craft that leaves Earth
  7. 12. Moon-landing U.S. program
  8. 13. U.S. agency founded in 1958
Down
  1. 1. Italian who aimed his telescope skyward
  2. 2. Wheeled robot on Mars
  3. 3. Where liftoff occurs
  4. 4. Moon-related adjective
  5. 7. 1957 Soviet satellite first in orbit
  6. 10. Sun or Moon temporarily hidden