The Autobiography of Galileo Galilei

Early Life and Education:

Galileo Galilei was born on February 15, 1564, in Pisa, Italy. He was the oldest of seven children. His father, Vincenzo Galilei, was a musician and scholar. Galileo initially studied medicine at the University of Pisa but later switched to mathematics and physics.

Contributions to Science:

Galileo made significant contributions to the fields of physics, astronomy, and mathematics. He improved the telescope, allowing him to make groundbreaking observations of the moon, sunspots, Jupiter's moons, and the phases of Venus. These observations provided evidence for the heliocentric model of the solar system, in which the Earth and other planets orbit the sun.

Works and Discoveries:

One of Galileo's most famous works is "Dialogue Concerning the Two Chief World Systems," in which he defended the heliocentric model and criticized the geocentric model of the universe. This work led to his condemnation by the Catholic Church.

Inventions and Innovations:

Galileo's inventions include the thermoscope, a precursor to the thermometer, and the military compass, a device used to measure the trajectory of cannonballs.

Later Life and Legacy:

In 1632, Galileo was tried by the Inquisition for heresy and was sentenced to house arrest for the remainder of his life. Despite this, he continued to work and write. Galileo died on January 8, 1642, in Arcetri, Italy. His work laid the foundation for modern physics and astronomy.

Picture of Galileo Galilei

Galileo's Telescope

Galileo's Works