Space Exploration: The Next Frontier

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Across
  1. 1. Traveling to discover new places
  2. 6. The U.S. space exploration agency
  3. 8. Establishing settlements in new places
  4. 9. The science of aircraft and spacecraft
  5. 10. A vehicle used for space travel
Down
  1. 2. A person trained to travel in space
  2. 3. An object orbiting a planet
  3. 4. The study of stars and space
  4. 5. The curved path around a planet
  5. 7. A system of billions of stars