Galileo Galilei was an Italian astronomer, physicist, engineer, philosopher, and mathematician born in 1564 in Pisa, Italy. He played a major role in the scientific revolution and made several important discoveries including that projectiles follow a parabolic path and that the phases of Venus confirm Copernicus' model of a heliocentric solar system. He used his telescope to make astronomical observations that supported the Copernican view of the solar system. Galileo faced opposition from the Catholic Church for his scientific views and was found "vehemently suspect of heresy" for holding the Copernican view of the solar system.

1. 22nd April 2017

2. BORN: February 15th,1564
Pisa, Duchy of Florence, Italy
Died: January 8th 1642 at the age of
77
Arcetri, Grand Duchy of Tuscany, Italy
Galileo Galilei was an Italian polymath:
astronomer, physicist, engineer,
philosopher, and mathematician, he played
a major role in the scientific revolution of
the seventeenth century.

3. Discoveries
Galileo used inclined planes to prove that bodies do not fall with velocities
proportionate to their weight but proportionate to time.
He Disproved Aristotle’s view when he observed a supernova and showed that the new
star could not be close to the earth by parallax arguments.
He Found that projectiles follow a parabolic path

4. Although Galileo seriously
considered the priesthood as a
young man, his father insisted
that he be enrolled at the
University of Pisa for a medical
degree.
In 1589, he was appointed to
the chair of mathematics in Pisa
His interests included the study
of astrology, which at the time
was a discipline tied to the
studies of mathematics and
astronomy.

5. He did not invent the telescope, but he
is popularly thought to have by many.
Although he did adopt it early and
improve it.
Galileo introduced a geometric and
military compass in 1597.

6. Galileo discovered the phases of Venus he confirmed that the Sun
rotates and that the planets orbit around the Sun and not around
the Earth. Galileo's observations have confirmed Copernicus' model
of a heliocentric Solar System.
This stood the test of time but Galileo
thought that most planetary orbits are
circular in shape, when really they are
elliptical, as shown by Johannes Kepler.

7. Galileo Galilei was bold
and used experiments
as a way of research, he
also took a daring move
and presented his
treatise with
mathematical
demonstrations and did
not refer to
experimental results
like others did before
him.

8. Galileo was the first spacecraft
to observe an impact
into a planetary body,
when comet Shoemaker-Levy 9 crashed into
Jupiter.
He had a Spacecraft named after him.
The Galilean moons are the four largest
moons of Jupiter—Io, Europa, Ganymede,
and Calisto. Also named after him.
It was launched on October 18, 1989,
carried by Space Shuttle Atlantis, on
the STS-34 mission. Galileo arrived at
Jupiter on December 7, 1995, after
gravitational assist flybys of Venus and
Earth, and became the first spacecraft
to orbit Jupiter

9. Museo Galileo
Museo Galileo, the former
Istituto e Museo di Storia della
Scienza is located in Florence,
Italy,
Where Galileos telecope is held.As you can see the telescopes
named after him are far more
advanced than what the
astronomer himself used. I wonder
if he ever though hundreds of
years in the future he would have
had such an impact.
Galileo's pendulum, a
telescope and even a high
school in San Fransico is
named after the famous
Galileo Galilei.

10. FACT FILE : GALILEO GALILEI
From1589-1592, Galileo Galilei taught in the city
of Pisa. It is believed that the famous velocity
experiment was conducted here. He dropped
objects of varying weights off the leaning tower
of Pisa to order to disprove Aristotle’s theory that
lighter objects fall slower than heavier ones.
He was one of the first astronomer’s to observe
sunspots and his first astronomical observations
were published in 1610.
There was a ban on reprinting most of Galileo’s
works. It was over 60 years after the death of the
genius in 1718 that his works were published.

11. More than 350 years after the Roman Catholic
Church condemned Galileo, Pope John Paul II is
poised to rectify one of the Church's most infamous
wrongs -- the persecution of the Italian astronomer
and physicist for proving the Earth moves around
the Sun.
Article from a new paper in rome:
With a formal statement at the Pontifical
Academy of Sciences on Saturday,
Vatican officials said the Pope will
formally close a 13-year investigation
into the Church's condemnation of
Galileo in 1633. The condemnation,
which forced the astronomer and
physicist to recant his discoveries, led
to Galileo's house arrest for eight years
before his death in 1642 at the age of
77.

12. Contributor, Nola Taylor Redd Space.com. "Galileo Galilei: Biography, Inventions & Other
Facts." Space.com. N.p., n.d. Web. 23 Apr. 2017.
Galilei, Galileo, and Paolo Rossi. Galileo Galilei. Roma: Istituto poligrafico e Zecca dello
Stato, 1997. Print.
Galilei, Galileo, and Raymond John Seeger. Galileo Galilei, his life and his works. Oxford:
Pergamon Press, 1966. Print.
"Galileo." Biography.com. A&E Networks Television, 02 Dec. 2015. Web. 23 Apr. 2017.
"Galileo Galilei." Wikipedia. Wikimedia Foundation, 20 Apr. 2017. Web. 23 Apr. 2017.
Pentin, Edward. "The legacy of Galileo Galilei: his positive influence on science." Catholic
Insight 1 Apr. 2010: n. pag. Print.