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Across
  1. 5. proposed that the Earth and other planets revolve around the sun
  2. 6. English scientist who developed the law of universal gravity
Down
  1. 1. The Sun-centered model of the universe
  2. 2. This invention helped spread new scientific discoveries across Europe
  3. 3. A new invention that allowed scientists to see objects in the night sky more clearly
  4. 4. Italian astronomer put under house arrest for his heliocentric ideas