Space

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Across
  1. 4. Giant, burning masses
  2. 5. The thing between things
  3. 9. The act of traveling somewhere to learn more
  4. 11. Everything we know and everything in it
  5. 14. A test to check an outcome
  6. 17. We see ours at night
  7. 18. A person trained to work in space
  8. 19. To circle around something
  9. 20. A large, round body in space that moves around a star
Down
  1. 1. A place where people live in space
  2. 2. The tools needed for an activity
  3. 3. To take something from one place to another
  4. 6. The act of making something
  5. 7. Our red neighbour
  6. 8. A thing designed to do a job
  7. 10. A difficult or dangerous situation
  8. 12. To increase in size, to spread out
  9. 13. Far past something
  10. 15. The total number of people living in an area
  11. 16. Our home