Galileo Galilei was a scientist, astronomer, mathematician, and inventor and he refined the telescope which led him to do amazing, revolutionary things. As Kristen Erickson says in “Solar System Exploration”, “Galileo changed the way we look at our solar system”. His main enlightenment was when he used his new and improved telescope to figure out how our solar system actually works. People used to believe the everything revolved around them and the earth was the center of the universe, that was until Galileo came along.
Galileo’s main interest was the telescope, he slowly improved it and it’s what he spent most of his time on. His philosophy was that the earth was not indeed the center of the universe, but that it is the sun that is in the center. He also found that Jupiter had many moons and he named them all. He revolutionized the microscope which changed the whole way of biology. Galileo not only
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Also when he was there he invented a simple thermometer, water pump, and a compass to aim cannonballs. He also made a more improved version of a dutch microscope and got very wealthy. “he gave entertaining lectures and attracted large crowds of followers, further increasing his fame and his sense of mission”, said the editors of Biography.com in the article “Galileo Biography”. With this wealth he produced many books to help people learn about copernicus and his theories of his own. The church got very mad and he needed them in order to get permission to publish books. That soon got him put on house arrest and he was no longer to teach about it and abandon his theories. As Monica Bobra says in the article “400th Anniversary of Galileo’s Astronomical Discoveries”, “He was put on trial by the Inquisition in Rome, where he was found suspect of heresy, and forced to say that all of his findings were