space case crossword puzzle

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Across
  1. 3. someone who travels through space
  2. 5. for planting and to study
  3. 7. your body goes towards the earth
  4. 9. the title of the book
  5. 10. to keep out of sight
Down
  1. 1. National Aeronautics Space Administration
  2. 2. someone without real proof
  3. 4. almost an adult
  4. 6. there are billions of stars there
  5. 8. something to put on your head when you go to space so you can breath
  6. 9. when you get a little tried