Space Travelers #14

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Across
  1. 1. (SpaceX founder)
  2. 4. (Aviation pioneer)
  3. 7. (First artificial satellite)
  4. 8. (Apollo 13 astronaut)
  5. 9. (Apollo 11 astronaut)
  6. 10. (Apollo 11 command module pilot)
  7. 11. (First human in space)
  8. 15. (First person to walk in space)
Down
  1. 2. (First American in space)
  2. 3. (Canadian astronaut)
  3. 5. (Saturn probe)
  4. 6. (First American to orbit Earth)
  5. 12. (First moonwalker)
  6. 13. (First American woman in space)
  7. 14. (Space telescope)