Essay on The Discoveries of Galileo Galilei

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The telescope was invented based off of a “spyglass” that was created by a Flemish lens grinder. Galileo was a man of many trades; philosophy, astronomy, and mathematics were among his favorites. Before he started studying the skies, Galileo taught math at Pisa and then Padua. After creating his telescope he became known as a hero to many people across Italy and most of Europe.
Galileo Galilei was born in Pisa, Italy in February of 1564. As a teenager his moved to a monastery school, and then continued on at the University of Pisa where he studied medicine. He always had such a love for math and philosophy that he taught the two subjects at Pisa and then Padua. Galileo also studied motion, which he used for the majority of the rest
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Galileo revealed himself as a huge advocate of Copernicus’s heliocentric system in The Starry Messenger. The Roman Inquisition of the Catholic Church disapproved of Copernicanism and made Galileo discard the Copernican thesis. Later he was told that he was allowed to continue to discuss Copernicanism as long as he knew that he was not a statistic, but it was a mathematical theory. It has been discussed that the church didn’t like the Copernican system because it endangered the whole beginning of the universe. “The heavens were no longer a spiritual world but a world of matter. Humans were no longer at the center, and God was no longer in a specific place.” The system created such doubts that it seemed right for them just to criticize it.
Through his crafty telescope, he could see more clearly the moon and what it is all about. He found out that the moon had a landscape features similar to the earth, with mountains and valleys. This discovery of his went against the Aristotelian way that all things past earth are all make of a “perfect celestial substance” but he realized that it looked like it was made of the same stuff that earth was.
Jupiter is orbited by four moons, or as Galileo called them planets, that were previously unknown. This observation shows that the earth was not the center of motion. This was given credibility by the Copernican assertion that

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