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200
ptolmey
ptolemy is born in Egypt in 87 AD and later discovers his theory called "geocentric" which means that earth is the center of Universe and all other objects orbit around it. Then dies on 150 AD in Alexandria. -
Period: 200 to
life time
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Feb 19, 1473
Nicholas Copernicus
Nicholas Copernicus was born in The Kingdom of Poland in 2/19/1473. He discovered that the sun is middle of the Universe not the earth. Then later dies in The Kingdom of Poland in 5/24/1543. -
Feb 15, 1564
Galileo Galilei
Galileo Galilei was born in Florence, Italy in 2/15/1564.He discovered that the earth moves around the sun and the sun is the middle of the Universe. He later died in Tuscany, Italy in 1/8/1642. -
Dec 27, 1571
Johannes Kepler
Johannes Kepler was born in Stuttgart, Germany in 12/27/1571. He discovered Elliptical orbits (Two planets that orbit each other the same way all the time). Kepler later died in Bavaria, Germany in 11/15/1630. -
Sir Isaac Newton
Isaac Newton was born in Lincolnshire, England in 1/4/1643. He discovered the Universal Law of Gravity and Inertia. (X1 =X0) f(X0) ------------
f'(X0)
He later died in middlesex, England.