This is small copy off introduction of the book: Galileo Galilei (1564-1642) was an Italian astronomer, physicist, and engineer, sometimes described as a polymath. From a young age, Galileo showed a great aptitude for mathematics and science. He went on to study at the University of Pisa, where he made his first important scientific discovery: the laws of motion of a pendulum.

After leaving Pisa, Galileo taught mathematics at the University of Padua for nearly twenty years. During this time, he conducted a wide range of scientific experiments, including studies of inclined planes, falling bodies, and the motion of projectiles. He also invented the telescope, which he used to make groundbreaking observations of the heavens.

In 1610, Galileo published a book called The Starry Messenger, in which he described his telescopic observations of the Moon, Jupiter, and Venus. His discoveries included the four largest moons of Jupiter, which are now known as the Galilean moons. Galileo's work helped to overthrow the prevailing geocentric model of the universe, which placed the Earth at the center, and to establish the heliocentric model, which places the Sun at the center.

Galileo's support for the heliocentric model brought him into conflict with the Catholic Church, which at the time held great power and influence. In 1633, Galileo was put on trial by the Inquisition and forced to recant his views. However, he continued to work on his scientific theories in secret, and in 1638 he published his most important work, Two New Sciences.

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دفتر الصوت : 2 أغسطس 2024