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Galileo Galilei

Subject: Biographies
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The modern physics, founder of modern astronomy creator, science man who laid the foundation of modern knowledge - Galileo Galilei. Galileo was born on February 15, 1564 in Pisa, the same year as Michelangelo Buonarroti. Galileo died in 1642 the same year that Isaac Newton was born. When he died on January 8 in Arcetri, his research has shaken the contemporary powerful Catholic Church. He grew up in a noble family in Florence, his father was a music teacher trained mathematician and writer. With his father's bad economy meant that he could not ängna himself to science, so that they could survive, he was working as a textile dealer. This meant that they had to move to Pisa, the city of his birth, for it was better textile market in Pisa than Florence. When Galileo was ten years old the family moved back to Florence, but seven years later he moved back to Florence to start university. His father had decided curriculum had chosen Galileo would study medicine against Galileo will, he wanted to study drawing and art but the father did not then Galileo prayers.

studies and the beginning of the GALILEO research

Even as students, Galileo discovered that the pendulum's swing was so constant that it can be used for time measurement. He continued to study the movement of bodies and laid the foundation of the dynamics and its laws. The main exprimenten, he as a professor of mathematics in Pisa. He allegedly tried bodies fall from the Leaning Tower of Pisa. He noticed that a heavy body falling as fast as a light body that conclusion formulated Newton later as the law of inertia. Galileo was the champion of Copernicus's theory that the Earth and the planets spinning around the sun and not vice versa that the planets and the sun turned around the earth. When Galileo in 1609 learned that a Dutch invented the telescope he built himself once one of their studies. When he pointed it at the starry sky, he discovered a new the Universe for the contemporary man to study. He made several important discoveries. Among others:
- The moon's craters
- Venus phases
- Jupiter's moons

In 1610 was called to the court astronomer Galileo in Florence. He described his many discoveries in letters and writings. Among others who put him in conflict with the church. In 1632 he wrote the dialogue on the two major world systems, where he meets a representative of the medieval world view meets the revolutionary kopenianska setting, the script did that Galileo faced Kätaredomstol in Rome and was forced to distance himself from some of his theories. Galileo's crime was not his theories of astronomy site., The church had never Copernican theories Katiska. But that in his active propaganda questioned the Bible and the Church in its monopoly on the truth and their förnekand of research on the cosmos. With the discreet support of Pope Urban VIII fared Galileo from more serious action (burned at the stake, flogging, etc.). The last years lived Galileo in Florence under house arrest, but he continued his scientific work until he died.

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