Galileo Galilei

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Galileo Galilei is a famous inventor, Italian physicist, mathematician, astronomer, and philosopher. As a mathematician he said, " Mathematics is the language in which God had written the universe." ( Galileo was a known mathematician. All his accomplishments had to start somewhere. He was born in Pisa, Italy and was the first of the six brother and sisters. Galileo di Vincenzo Bonaiuti de' Galilei is his full name. Galileo invented many inventions such as the first tank, a helicopter, and even improved the existing telescope. Galilei had many contributions to science as well. He observed discovered sunspots but later was blinded by looking at the sun too much. Galileo's top accomplishment which every one knows him by is his discoveries of the telescope; Earth revolution around the sun, Sunspots, and Venus phases.

He was an amazing mathematician, astounding physicist, but he is most known for proving that the sun does not revolve around the Earth, and it is the other way around. He is most famous for the discovery of the heliocentric orbit of Earth. With the help of Kepler and Copernicus, he proved that the Earth isn't the center of the universe. He sentenced under house arrest by the church for saying something against the Bible. In addition he had to say to the public that his research is wrong but he knew that the Earth didn't stay still.

Out of the three main astronomic accomplishments he had, the phases of Venus was one of the first. Galileo was the first to study these phases in 1610. "The phases of the planet Venus are the different variations of lighting seen on the planet's surface, similar to lunar phases" ( He even said, “Cynthiæ figuras æmulatur mater Amorum” (Brewster, Dav...

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... Phases of Venus helped prove that, and Sunspots. Galileo Galilei was accused of Heresy and could not leave his house for the rest of his life in 1633 but either way, he made an impact on the World.

Works Cited

Worked Citied

Brewster, David. “The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler." London: John Murray, 1841. ebook.

"Galileo Galilei." Wikipedia. Wikimedia Foundation, 14 Jan. 2014. Web. 14 Jan. 2014.

"Galileo Is Convicted of Heresy." A&E Television Networks, n.d. Web. 14 Jan. 2014.

"The Galileo Project | Science | Sunspots." The Galileo Project | Science | Sunspots. N.p., n.d. Web. 14 Jan. 2014.

"Major Accomplishments/Inventions/Discoveries - Galileo Galilei." Galileo Galilei. N.p., n.d. Web. 13 Jan. 2014.

"Phases of Venus." Wikipedia. Wikimedia Foundation, 01 Mar. 2014. Web. 14 Jan. 2014.