LIFE IN SPACE

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Across
  1. 2. galaxy that contains our solar system
  2. 4. THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
  3. 5. astronomical body orbiting Earth
  4. 8. largest planet in the Solar System
Down
  1. 1. used to launch things or people in space
  2. 2. planet after Earth in our Solar System
  3. 3. a person trained to command a spacecraft
  4. 6. The inhabitable planet
  5. 7. a star which is orbitted by planets