Space race

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Across
  1. 6. - Pre-launch ritual
  2. 8. - Red planet
  3. 11. - Moon missions
  4. 14. - Space station
  5. 15. - EVA activity
  6. 16. - Rocket type
  7. 18. - Mars vehicle
  8. 19. - Soviet spacecraft
  9. 21. - Competition
  10. 25. - Space study
  11. 26. - Force in space
  12. 27. - Liftoff
  13. 28. - First satellite
Down
  1. 1. - U.S. President
  2. 2. - Universe
  3. 3. - Moon station
  4. 4. - First human in space
  5. 5. - On the Moon
  6. 7. - U.S. space agency
  7. 9. - Astronomical tool
  8. 10. - Moon-related
  9. 12. - Rocket launch
  10. 13. - Space explorer
  11. 17. - Russian astronaut
  12. 20. - Circular path
  13. 22. - Space-related
  14. 23. - Space program
  15. 24. - Launch vehicle
  16. 28. - Astronaut's gear
  17. 29. - First man on the Moon