- NAME: Galileo
- OCCUPATION: Astronomer
- BIRTH DATE: February 15, 1564
- DEATH DATE: January 08, 1642
- EDUCATION: Monastery school at Vallombrosa, near Florence, University of Pisa
- PLACE OF BIRTH: Pisa, Italy
- PLACE OF DEATH: Arcetri, Italy
- AKA: Galileo
- Full Name: Galileo Galilei
- Nickname: "The Father of Modern Science"
Best Known For
Italian scientist and scholar Galileo made pioneering observations that laid the foundation for modern physics and astronomy.
Watch a short video about Galileo and find out how one astronomer uncovered the truth about the solar system.
Leonardo da Vinci began apprenticing under the artist Verrocchio. His best-known works are two of the most famous paintings of all time, the "Mona Lisa" and "The Last Supper."
Da Vinci kept a countless number of thoughts in his notebooks, which spanned subjects such as architecture, the sciences, engineering and weaponry but very little regarding his personal life.
Stephen Hawking's chief theory is that black holes should emit radiation, which is known as Hawking radiation. His popular science book, "A Brief History of Time," has made science accessible to everyone.
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Born on February 15, 1564, in Pisa, Italy, Galileo Galilei was a mathematics professor who made pioneering observations of nature with long-lasting implications for the study of physics. He also constructed a telescope and supported the Copernican theory, which supports a sun-centered solar system. Galileo was accused twice of heresy by the church for his beliefs, and wrote books on his ideas. He died in Arcetri, Italy, on January 8, 1642.
"And yet it moves."
"All truths are easy to understand once they are discovered; the point is to discover them."
"The Bible shows the way to go to heaven, not the way the heavens go."
Galileo Galilei was born on February 15, 1564, in Pisa in the Duchy of Florence, Italy. He was the first of six children born to Vincenzo Galilei, a well-known musician and music theorist, and Giulia Ammannati. In 1574, the family moved to Florence, where Galileo started his formal education at the Camaldolese monastery in Vallombrosa.
In 1583, Galileo entered the University of Pisa to study medicine. Armed with high intelligence and talent, he soon became fascinated with many subjects, particularly mathematics and physics. While at Pisa, Galileo was exposed to the Aristotelian view of the world, then the leading scientific authority and the only one sanctioned by the Roman Catholic Church. At first, Galileo supported this view, like any other intellectual of his time, and was on track to be a university professor. However, due to financial difficulties, Galileo left the university in 1585 before earning his degree.
Galileo continued to study mathematics, supporting himself with minor teaching positions. During this time he began his two-decade study on objects in motion and published The Little Balance, describing the hydrostatic principles of weighing small quantities, which brought him some fame. This gained him a teaching post at the University of Pisa, in 1589. There Galileo conducted his fabled experiments with falling objects and produced his manuscript Du Motu (On Motion), a departure from Aristotelian views about motion and falling objects. Galileo developed an arrogance about his work, and his strident criticisms of Aristotle left him isolated among his colleagues. In 1592, his contract with the University of Pisa was not renewed.
Galileo quickly found a new position at the University of Padua, teaching geometry, mechanics and astronomy. The appointment was fortunate, for his father had died in 1591, leaving Galileo entrusted with the care of his younger brother Michelagnolo. During his 18-year tenure at Padua, he gave entertaining lectures and attracted large crowds of followers, further increasing his fame and his sense of mission.
In 1604, Galileo published The Operations of the Geometrical and Military Compass, revealing his skills with experiments and practical technological applications. He also constructed a hydrostatic balance for measuring small objects. These developments brought him additional income and more recognition. That same year, Galileo refined his theories on motion and falling objects, and developed the universal law of acceleration, which all objects in the universe obeyed.
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