In November of 1581, Vincenzio Galilei had Galileo enrolled in the University of Pisa School of Medicine because he wanted his son to become a doctor to carry on the family fortune. Vincenzio thought that Galileo should be able to provide for the family when he died, and his sister …show more content…
He began finding work as a math tutor. In November of 1589, Galileo found a position as a professor of mathematics at the university of Pisa, the same one he had left without a degree four years before. Galileo was a brilliant teacher, but his radical ways of thinking and open criticism of Aristotle's teachings were not acceptable to the other professors at the university. They felt that he was too radical and that his teachings were not suitable. In 1592, his three-year contract was not …show more content…
After observing Earth's moon and then finding the four moons of Jupiter though his new device, he began to declare that the findings of Aristotle and Ptolemy were wrong. Galileo believed that the geocentric model was incorrect. Through lectures and writings, Galileo said that Copernicus was right - that the earth moved around the sun. Galileo's enemies took this declaration and used it against him. They went to the Vatican in Rome and said that these ideas were heresy, because they went against the beliefs of the Church. Of course, the Church sided with Galileo's accusers and in early 1616, Galileo traveled to Rome to defend his ideas. The Vatican warned him that formal charges were would be pressed unless he abandoned his ideas that Copernicus was correct and that the Roman Catholic Church was wrong. In March of that year, all Copernican theories were banned, but Galileo ignored the warning and continued to talk about his