Galileo Galilei (1564-1642) was an Italian astronomer, physicist, and philosopher. Some of his key contributions include improving the telescope and making important astronomical observations that supported Copernicanism, such as discovering Jupiter's four largest moons. He was born in Pisa, Italy and died in Arcetri, Italy. Galileo invented the telescope and worked on a pendulum clock. He also made contributions to observational astronomy and physics.

1. GALILEO
GALILEI

2. QUESTIONS
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Here you have three questions that we are going to ask you at the
end of the work. Copy please
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1) Name two importants Galileo's inventions.
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2) Were and when he born and died?
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3)Name two important Galileo's contributions.

3. GALILEO GALILEI
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Galileo, was an Italian mathematician, astronomer, and
philosopher who played a major role in the Scientific Revolution.
His achievements include improvements to the telescope and
consequent astronomical observations and support for
Copernicanism.

4. HIS LIFE
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BORN: 15 February 1564 in Pisa, Duchy of Florence, Italy.
DIED: 8 January 1642 (aged 77), in Arcetri, Grand Duchy of
Tuscany, Italy.
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RESIDENCE: Grand Duchy of Tuscany, Italy.
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NATIONALITY: Italian (Tuscan).
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INSTITUTIONS: University of Pisa and University of Padua.
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NOTABLE STUDENTS: Benedetto Castelli, Mario Guiducci
Vincenzo Viviani.
SIGNATURE

5. CONTRIBUTIONS
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Galileo has been called the "father of modern observational
astronomy", the "father of modern physics", the "father of
science", and "the Father of Modern Science".
His contributions to observational astronomy include the
telescopic confirmation of the phases of Venus, the discovery of
the four largest satellites of Jupiter (named the Galilean moons in
his honour), and the observation and analysis of sunspots.

6. GALILEO'S INVENTIONS
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Some of Galileo’s inventions were created because Galileo needed
money to support his family and help provide dowry for his
sisters.
Galileo also built a telescope.
Another invention that Galileo
worked on was a pendulum clock.

7. MATHEMATICS
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Galileo produced some mathematics: Galileo's paradox, which shows that there are as
many perfect squares as there are whole numbers, even though most numbers are not
perfect squares
Galileo Galilei taught geometry in some moment of his life. His contribution to this
branch of the science, is in his interest for the development of the cycloid, (curve that
Galileo Galilei forms for the path of a point located on a circumference that moves for a
straight line) He invented the compass of proportion, which was allowing to do with
rapidity numerical calculations and to be of great usefulness up to the invention of the
logarithms

8. THE END
THIS IS A: HUGO's WORK
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BY: HUGO GÓMEZ BORREGO AND
HUGO OCHOA MARTÍNEZ