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"Galileo was that guy who invented the telescope." This is what most people say when they think about Galileo. However, Galileo did not even invent the telescope; he only made improvements to it so it could be used for astronomy. Galileo did use it to make many important discoveries about astronomy, though; many of these discoveries helped to prove that the sun was the center of the galaxy. Galileo also made many important contributions to Physics; he discovered that the path of a projectile was a parabola, that objects do not fall with speeds proportional to their weight, and much more. For these discoveries, Galileo is often referred to as the founder of modern experimental science. Galileo Galilei was born in Pisa, Italy on February 15, 1564. Until he was about 10 years old, Galileo lived in Pisa; in 1574 the family moved to Florence where Galileo started his education at Vallombroso, a nearby monastery. In 1581, Galileo went to the University of Pisa to study medicine, the field his father wanted him to peruse. While at the University of Pisa, Galileo discovered his interest in Physics and Mathematics; he switched his major from medicine to mathematics. In 1585, he decided to leave the university without a degree to pursue a job as a teacher. He spend four years looking for a job; during this time, he tutored privately and wrote on some discoveries that he had made. In 1589, Galileo was given the job of professor of Mathematics at the University of Pisa. His contract was not renewed in 1592, but received another job at the University of Padua as the chair of Mathematics; his main duties were to teach Geometry and Astrology. Galileo taught at the university for eighteen years. Galileo made many important discoveries from the time he was born to when he left the University of Padua, 1564-1610. While attending the University of Pisa, 1584, Galileo discovered the principle of isochronism. Isochronism showed that the period of a pendulum remains the same no matter what the amplitude is. Galileo was said to have discovered this while watching a chandelier swing in the cathedral next to the Leaning Tower of Pisa. Galileo proved the isochronism of a pendulum in 1602. He later used his discovery to design a clock that used pendulums. While Galileo was looking for a job after he left the University of Pisa, 1856, he invented the hydrostatic balance. Thi... ... middle of paper ... ...eo made many important discoveries for the field of Physics; he opened the way for scientists to combined Mathematic and Physics. He also proved that the sun was the center of the galaxy. Galileo deserved to be called the founder of modern experimental science. Bibliography Dunn, Travis. Galileo Biography. Http:/ humsoc/Galileo/index.html. 23 January 1996. Field, J.V. Galileo Galilei. August 1995. "Galileo Got it Wrong." New Scientist. 4 June 1987, p. 36. MacKeith, Bill. "Galileo Galilei." The Classical Scientists. Southside Ltd. Edinburgh, England. 1989. vol. 15, pp. 25-44. O'Malley, Charles D. "Galileo." The New Encyclopedia Britannica. Encyclopedia Britannica Inc. Chicago, Illinois. 1989. vol. 19, pp. 640-642. Stillman, Drake. The Life of Galileo Galilei. http://www. 1980. Stillman, Drake. "Galileo." Microsoft Encarta. Copyright 1994 Microsoft Corp. Copyright 1994 Funk & Wagnalls Corp. Stillman, Drake. "Galileo." The World Book Encyclopedia. World Book Inc. London, England. 1995. vol. 8, pp. 11-12.

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