Data Bases • Custom Term Papers • Free Term Papers • Free Research Papers • Free Essays • Free Book Reports • Plagiarism? Links • Top 100 Term Paper Sites • Top 25 Essay Sites • Top 50 Essay Sites • Search 97,000 Papers @ DirectEssays.com • Search 101,000 Papers @ ExampleEssays.com • Search 90,000 Papers @ MegaEssays.com Free Essays • Term Paper Sites • Chuck III's Free Essays • Free College Essays • TermPaperSites.com • My Term Papers • Get Free Essays • Essay World • Planet Papers	Search Lots of Essays Back to Subjects - Physics Galileo Galilei Galileo Galilei On 15 Feb., 1564, in Pisa, Galileo was brought into this world. Little did his parents know he would change how people look at the world. His father, Vincenzo Galilei, studied music and carried out experiments to help him pay for his musical instruments. His mother, Giulia Ammannati, was a good housewife and stayed at home, taking care of the kids. As a child, Galileo was interested in the experiments his father conducted, and often helped him with the experiments. Besides being a famous mathematician and scientist, Galileo also was a pretty good inventor. As soon as he heard of the telescope and how you could see things far in outer space, he put his mind to it and invented a crude model of one. From that, he perfected it and made himself a telescope. After inventing this, he had an idea for a microscope. It was composed of the tube of a telescope, of reduced size, furnished with two lenses. He then distributed this to all his friends, which they thought was amazing. Galileo also invented a thermoscope which recorded the heat of certain liquids. When he grew up, he excelled in the fields of science and math. He then attended college at Pisa, where he later held the chair in mathematics from 1589 - 1592. Later, he was transferred to the University of Padua (the university of the Republic of Venice), where he was appointed to the chair of mathematics until 1610, when he went back to the University of Pisa. There, he studied medicine and astronomy. He stayed there for a year and then in 1611, he went to Rome. He became a member of the Accademia dei Lincei and observed the sunspots. He stayed there and found opposition to one of his theories. While he was studying sunspots, some of the measurements that he got opposed with his theory of the movement of Earth. In 1613 he discovered that, when seen through the telescope, the planet Venus showed phases like those of the Moon, and therefore must orbit the Sun not the Earth. Scientists did not believe Galileo, but Galileo showed a marked tendency to use all his discoveries as evidence for Copernicanism. He seems to have made a lot of enemies by making his opponents look like fools. Moreover, not all of them actually were fools. Because of Galileo, people were able to see that the world revolved around the sun and not vice versa. The four satellites of Jupiter, Io, Europa, Ganymede, and Callisto, were found by Galileo, and studied in order to develop a method for determining longitudes at sea. Galileo's microscope was just the beginning of modern science. From his crude model, we now have microscopes able to see something over 1000 times closer than 300 years ago. From Galileo also came the thermoscope, able to measure the heat of water. From that came the Florentine thermometer. Galileo also worked with magnets, trying to increase the magnitude of rocks. While he was working with mechanics, he studied the natural descent of bodies along planes of various inclinations, the formulation of the law which established the relationship between space traversed and time interval in free-fall, the isochronism of the oscillations of pendulums of equal lengths and, of particular importance, the motion of projectiles. All these helped the Florentine Museum of Physics and Natural History construct experimental devices such as the model of the inclined plane, the brachistochrone descent and the machine for raising water. Bibliography: BIBLIOGRAPHY http://www.math.bme.hu/mathhist/Mathematicians/Galileo.html http://www.italian-american.com/galileo.htm http://galileo.imss.firenze.it/museo/b/egalilg.html The Astronomy & Astrophysics Guide Edited by Stephen P. Maran Copyright 1992 by Van Nostrand Reinhold Published in the U.S.A Word Count: 581
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