scientific revolution crossword

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Across
  1. 1. step by step discovery
  2. 5. sun-centered model of the universe
  3. 6. german astronomer/mathematician
  4. 7. supported copernicus theory
  5. 9. italian assembled astronomical telescope
Down
  1. 2. polish scholar published revolutions of heavenly spheres
  2. 3. a branch of mathematics
  3. 4. england called a force gravity
  4. 5. possible explanation
  5. 8. refined the alchemists