1. Galileo
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Galilei,
Tyler 15, 1564
Keane
Lived Feb
And died Jan 8, 1642

2. Galileo’s Moons
The four moons were
discovered sometime
between 1609 and 1610 when
Galileo made improvements
to his telescope, which
enabled him to observe
celestial bodies more
libertadderelig
distinctly than had ion.blogspot.com
ever
been possible before

3. Telescopes
It was during his apprentice
period that Galileo worked
out much of his mechanics and
began his work with the
telescope
He had showed the importance
of the telescope as a tool for
astronomers by proving that
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there were objects in space
and by doing so it had shown
the astronomers the fact

4. Leaving the Nest
In 1612 Galileo published a Discourse
on Floating Bodies, and in
1613, Letters on the Sunspots. In this
latter work he first expressed his
position in favor of Copernicus.
In 1614 both his daughters entered
the Franciscan convent of Saint
Mathew, near Florence.
Virginia became Sister Maria Celeste
and Livia, en.wikipedia.org

5. Mathematics
Galileo's father was hardly
overjoyed about this turn
of events Galileo started
tutoring students in
mathematics and he did some
experimenting with floating
objects, developing a
balance that could tell him
that a piece of something

6. Dante's Inferno
The Academy of Florence had
been arguing over a 100-yearold controversy: What were
the location, shape, and
dimensions of Dante's Inferno?
Galileo Galilei wanted to
seriously answer the question
from the point of view of a
scientist
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7. The Leaning Tower of Pisa
At the time that Galileo
arrived at the
University, some debate
had started up on one of
Aristotle's "laws" of
nature, that heavier
objects fell faster than
lighter objects
So he proved at the

8. Galileo’s
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inventers
Some of Galileo’s inventions
were created because Galileo
needed money to support his
family and help provide dowry
for his sisters
He created a simple
thermometer that could
register variations in
temperature but did not make
any money off of it and in 1596,
he built a compass used for
aiming cannonballs
It was also adapted for
civilian use in land surveying

9. Necessity is the Mother of
Invention
Galileo Galilei moved on to
the University of Padua and
by 1593 he was desperate in
need of additional cash
His father had died, so
Galileo was the head of his
family, and personally
responsible for his family
Debts were pressing down
on him, most notably, the
dowry for one of his sisters,
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which was paid in

10. Galileo Galilei’s Death
8 January 1642 at the age
of 77 Galileo died in Grand
Duchy of Tuscany, Italy
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