Galileo Galilei

Galileo
Galilei

Who was Galileo?

• Italian astronomer, mathematician, physicist,
philosopher and professor

• made pioneering observations of nature with long-lasting
implications for the study of physics

• father of observational astronomy, father of modern
physics, father of the scientific method, father of modern
science

Galileo’s Education

• Galileo told his father that he wanted to be a monk.

• This was not exactly what his father had in mind, so Galileo withdrew
from the monastery.

• In 1581, at the age of 17, he gave into his father’s wishes entered the
University of Pisa to study medicine, as his father wished.

• By 1585, he gave up his courses in medicine and left without
completing a degree to become a mathematics teacher.

Galileo’s Observations

• Galileo is one among the first scientists who questioned
the ancient ideas and disproved them.

• The discovery of isochronism.

• Two objects with different weights fall down at the same
speed.

Galileo’s Inventions Thermometer

• 1593 : Thermometer
• 1597 : Compass
• 1609 : Telescope
• 1641 : Pendulum clock

Telescope

Compass Pendulum clock

Books

• Galileo published a number of books throughout his
career.

• The Operations of the Geometrical and Military
Compass (1604), which revealed Galileo’s skills
with experiments and practical technological
applications.

• The Starry Messenger (1610), a small booklet
revealing Galileo’s discoveries that the moon was
not flat and smooth but a sphere with mountains and
craters.

Thank
You !