What are Galileo Galilei’s Inventions and Their Effects on the History of Science?June 27, 2021
Astronomy and Telescope
Galileo learned about the telescope invented by a Dutch inventor in 1609 through letters he received from a friend. Based on these letters and using his own skills, he began to develop a series of telescopes. In 1610 he developed a telescope that magnified an object 30 times. He then began to observe space using his telescopes.
In May 1610 he published his observations in his short book Siderus Nuncius (Star Herald), and this work caused a great stir. In his book, he said that the Moon has mountains on its surface, the Milky Way galaxy is made up of small stars, and the planet Jupiter has four moons. He saw that the surface of the moon was not smooth and flawless, but had mountains and pits.
In July 1610, he turned his telescope to the planet Saturn and saw that Saturn was made up of three parts. His telescope was unable to show the ring around Saturn and saw the ring as fragments on either side. That same year, he saw Venus go through Moon-like phases and concluded that Venus revolved around the Sun. But he did not use this observation for his thesis that the Earth revolves around the Sun, he simply concluded that Venus revolves around the Sun.
Impact on the history of science
Galileo has been described as the ancestor of “modern observational astronomy,” “modern physics,” “science,” and “modern science.” Stephen Hawking said, “Galileo probably played a greater role than anyone else in the birth of modern science.” he said.
Prepared by: Sociologist Ömer YILDIRIM
Source: Omer YILDIRIM’s Personal Lecture Notes. Atatürk University Sociology Department 1st Year “Introduction to Philosophy” and 2nd, 3rd, 4th Grade “History of Philosophy” Lecture Notes (Ömer YILDIRIM); Open Education Philosophy Textbook