SPACE EXPLORATION

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Across
  1. 2. Inhale and exhale.
  2. 3. Everything in space.
  3. 5. Reusable spacecraft used to transport cargo and astronauts to and from space
  4. 7. A force that pulls objects non-existant in space
  5. 8. To touch down on the surface of a planet
  6. 9. Study for discovery
  7. 11. Space vehicle
  8. 13. European space agency
  9. 14. Experts who study the natural world
  10. 15. Sequence before launch
Down
  1. 1. A large spacecraft that serves as a home and workplace for astronauts in orbit around Earth
  2. 4. The Sun and all the planets and other objects that orbit around it
  3. 6. Easy to carry
  4. 9. Trustworthy
  5. 10. Protective layer of gases around Earth
  6. 12. Blast off into space
  7. 13. Tools, devices, or machinery for tasks
  8. 16. Circle around a planet or star
  9. 17. American space agency