SPACE- FOOLS!

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Across
  1. 3. the study of space
  2. 4. ________ system
  3. 6. the study of meteors
  4. 9. Pluto
  5. 10. a device that is used to see planets from earth
Down
  1. 1. the sun is a ______
  2. 2. a group of stars
  3. 5. in space there are 8 of them
  4. 7. the inventor of the telescope
  5. 8. what keeps us on earth