How Did Galileo Galilei Build Modern Astronomy

Who Helped build the foundation of modern astronomy? Galileo Galilei did, he was an Italian philosopher, astronomer, engineer, mathematician, and physicist. Whom, played an important role in the scientific revolution during the Renaissance. The Renaissance began in Italy in the thirteen hundreds and created a “suitable environment…to question scientific doctrine.” ~Wikipedia. One of the great accomplishments of the time period was the development of the Scientific Method. Galileo was so important because he helped introduce a new way of thinking about the sciences and the universe.
Galileo Galilei was born in Pisa, Italy on February 15, 1564. His Father Vincenzo Galilei was a famous musician at the time. His mother was Giulia degli Ammannati, she one of five children of a lumber merchant. Galileo was the first of six children: Michelagnolo, Giuliani, Virginia, Benedetto, Livia. His family was a part of the nobility in Italy. The Galilei’s moved to Florence in the early 1570’s.
Galileo went to the school at monastery in Vallombrosa. He entered the order in 1578, but he didn't become a priest, He became a medical student at a college in Pisa in 1581, but left without a degree because of lack of money. Galileo
He was improving on Lippershey's design. Hans Lippershey was a German-Dutch spectacle-maker. He was the first to design a telescope, even if it was on accident. Galileo improved his design by first to only eight times the human eye. But within a few year he started to make his own lenses and therefore improving the magnification of the telescope to ten times the human eye but had a very slim field of view. The new improvement on the telescope made it so he could make new discovery about the moon’s surface. The Moon has mountains, craters and other natural land masses. He also discovered the four satellites of jupiter, observed a supernova, and that the sun has sunspots. He also to that confirmed the phases of