Galileo's guide to astronomy

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Across
  1. 4. Invention with direction
  2. 7. Telescope he used
  3. 9. balance Invention that weighs air and water
  4. 10. Invention of the _____ telescoop
Down
  1. 1. Month he was born in
  2. 2. Month he died
  3. 3. Discovered this planet's moons
  4. 5. He developed the _______ method
  5. 6. He discovered the ______ around Saturn
  6. 8. Country that he was born in