Historical Astronomers in Context

Nicholas Copernicus was born February 19, 1473 and died May 24, 1543.

Galileo Galilei was born February 15, 1566 and died January 8, 1642.

Johannes Kepler was born December 27, 1571 and died November 15, 1630.

Isaac Newton was born December 25, 1642 and died March 20, 1726.

Tycho Brahe was born December 14, 1546 and died October 24, 1601.

Galileo Galilei, Tycho Brahe, and Johannes Kepler lived at the same times for 30 years.

Galileo Galilei is considered to be the father of modern observational astronomy. With his improvements to the telescope, he confirmed the phases of Venus, discovered the largest satellites of Jupiter, and observed sunspots.

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Kepler’s supernova occur in 1572. Galileo Galilei was sentenced to house arrest during his last 9 years of his life for his defending of heliocentrism, when most believed in geocentrism.

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Pope Urban VIII was born August 6, 1623 and died July 29, 1644. Pope Urban VVI was important due to his dispute with Galileo and heliocentrism. That dispute caused Galileo Galilei to be house arrested until his death but allowed Galileo Galilei to write “Two New Sciences,” where Galileo wrote about two sciences known now as kinematics and material science.

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It was interesting to see that Galileo Galilei was known as a physicist, mathematician, engineer, astronomer, and philosopher. The intelligent people of his time did not only focus on one area but multiple. It is logically since if Galileo wished to focus on just astronomer, he would lack the ability to build his own telescopes or lack the understanding of objects in motion. To do astronomy, he must understand physics and why objects act in a way; he must understand mathematics to calculate and derive equations for situations; he must be an engineer to build his own equipment; and he must be an philosopher to relate what he sees in the sky to the heavens.

Sources:

Wikipedia contributors. “Nicolaus Copernicus.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 1 Feb. 2015. Web. 4 Feb. 2015.

Wikipedia contributors. ” Galileo Galilei.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 26 Jan. 2015. Web. 4 Feb. 2015.

Wikipedia contributors. “Johannes Kepler.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 26 Jan. 2015. Web. 4 Feb. 2015.

Wikipedia contributors. “Isaac Newton.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 27 Ja

Wikipedia contributors. “Tycho Brahe.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 30 Jan. 2015. Web. 4 Feb. 2015.

Wikipedia contributors. “Pope Urban VIII.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 4 Feb. 2015. Web. 4 Feb. 2015.

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