outer space

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Across
  1. 2. the suit astronauts wear
  2. 5. any means someone travels in
  3. 7. to go aboard
  4. 9. to move freely in the air
  5. 10. a rope or chain you tie yourself with
  6. 12. a journey you make for an specific purpose
  7. 15. the mean you travel in outer space
  8. 17. a scientific test to prove something
  9. 18. any piece of equipment necessary for a job
Down
  1. 1. a device that controls a ship
  2. 3. to have your feet up and head down
  3. 4. to analyze and investigate
  4. 6. an explosion
  5. 8. the people aboard a ship or train or plain
  6. 11. people that work together
  7. 13. all the tools you need to make a task
  8. 14. when astronauts walk outside the ship
  9. 16. a part of the human body