Galileo Discoveries

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Across
  1. 3. Astronomical discovery on the Moon
  2. 4. Astronomical device he made improvements to
  3. 5. Astronomical discovery on Saturn
  4. 8. A theory not created by Galileo, but studied by him
  5. 10. "Geometric" device created by Galileo
Down
  1. 1. The largest moon on Jupiter
  2. 2. The second largest moon on Jupiter, and the third largest in the solar system
  3. 6. What the church believed his claim on "the Earth revolving around the Sun" was
  4. 7. The fourth largest moon on Jupiter
  5. 9. The third largest moon on Jupiter