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Gabriele announceds that he discovered the fallopian tubes in his Observations.
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He completed his first circumnavigation and he became very famous for the the globe that he had made.
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Copernicus published his idea on the Heliocentric model which states that the sun was in the center of the universe.
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Galileo went to the top of a tower he had a on e pound weight and a hundred pound weight and grop them at the same time and they both hit the ground at the same time. He proved people wrong that thought the heavyer weight would hit the ground the ground first because it was heavyer.
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He buildt his first telescope in 1669. the design that he had on it was an eyescope and an concave mirrior and it is now today now as "Newtonian".