Tag Archives: Kepler

Historical Astronomers in Context

Johannes Kepler was born on December 27, 1571, and died on November 15, 1630. He was crucial for advances in Astronomy as he discovered that the Earth and planets travel the sun in elliptical orbits. Furthermore, he also created three laws (called Kepler’s Law’s) that were integral to planetary motion. These laws stated that the […] Continue reading

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Historical Astronomers In Context

a. Nicolas Copernicus was born on February 19, 1473 and died on May 24, 1543. Johannes Kepler was born on December 27, 1571 and died on November 15, 1630. Tycho Brahe was born on December 14, 1546 and died on October 24, 1601. Galileo Galilei was born on February 15, 1564 and died on January […] Continue reading

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Old Space Dudes

You may be wondering… why is there a football? Good question. You will see. Anyways, we’re talking about old dudes who studied the sky. Doesn’t sound very interesting, right? But some of them were pretty cool. I mean, not like Hannibal riding elephants cool, but about 2 log scales below that. Anyways, we got some […] Continue reading

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Historical Astronomers in Context: Johannes Kepler

Background Johannes Kepler (December 27, 1571 to November 15, 1630) was important to astronomy for several reasons. He is most well-known for developing a model of planetary motion that fit Tycho’s data. Kepler’s first law states that the orbit of each planet is an ellipse with the Sun at one focus. His second law states […] Continue reading

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Historical Astronomers in Context

Johannes Kepler (Born Dec 27th, 1571 and died Nov 15th, 1630) made a vital contribution to astronomy in the form of his three laws of gravitation. His laws, which he did not consider “laws” at the time, were based off a theological framework.  Kepler’s work with Tycho Brahe let him access the data to discover […] Continue reading

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Historical Astronomers in Context: Kepler

Johannes Kepler was a German astronomer who was born on December 27 1571 and died 15th of November 1630. During Kepler’s lifetime, one major event was the Bohemian Revolt in 1618, kickstarted by the Third Defenestration of Prague, which launched the Holy Roman Empire into chaos and began the thirty years war. This war caused […] Continue reading

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Historical Astronomers in Context

Johannes Kepler(12/27/1571 – 11/15/1630) In 1609, Keple […] Continue reading

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To Be Circular, or Elliptical: That Was Kepler’s Question

Johannes Kepler was an astronomer and mathematician best known for his development of the three laws of planetary motion. The first reflected a major upheaval in astronomical thought at the time: that planetary orbits are elliptical, with the Sun located at one of each orbit’s two foci, rather than perfectly circular. The second is that […] Continue reading

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Historical Astronomers in Context

Johannes Kepler: As a young apprentice of Tycho Brahe, Johannes Kepler had years of naked-eye observations to make discoveries with. Between the discrepancies surrounding Tycho’s observations and the Copernican belief that planetary orbits are perfect circles, Kepler surmised that planetary orbits are ellipses. He took his discoveries and named three laws of planetary motion that […] Continue reading

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Historical Astronomers in Context

Johannes Kepler (Birth date – December 27th, 1571, Death date – November 15th, 1630) Kepler was important to astronomy because he rejected the tens of thousands year old belief that the Earth was the center of the universe and planets orbited in perfect circles. He instead created Kepler’s three laws of planetary motion, which suggest […] Continue reading

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