Space And Planets

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Across
  1. 2. monitors space
  2. 4. the study of people
  3. 7. spins around
  4. 9. Brug
Down
  1. 1. going around
  2. 3. knowledge of stars
  3. 5. pulls towards planet
  4. 6. path of going around a planet
  5. 8. the planet we live on