Category Archives: Historical

Historical Astronomers in Context

Johannes Kepler (December 27th, 1571 – November 15, 1630) helped the world of astronomy and the general field of sciences in several key ways. First, Kepler utilized Tycho Brahe’s data concerning the position of stars and planets in the sky during different days in the year to determine that the orbit of Mars was elliptical […] Continue reading

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Johannes Kepler: Context

Johannes Kepler was born December 27, 1571 and died November 15, 1630. Johannes Kepler, continuing Brahe’s work, discovered that planetary orbits are ellipses with varying levels of eccentricity instead of perfect circles. This helped him predict planetary positions and discover three laws of planetary motion. Kepler’s discoveries helped solidify the theory that planets move around […] Continue reading

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Historical Astronomers in Context

2) Galileo (February 15, 1564 – January 8, 1642) was incredibly important to the progress and history of astronomy. He carried on the work done by Kepler in helping prove that the Copernican heliocentric model of our solar system was correct rather than the Aristotelian geocentric. He did this by disproving many of the objectionsContinue reading “Historical Astronomers in Context” Continue reading

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Historical Astronomers in Context

Brahe was important to astronomy because he developed astronomical instruments and was uniquely accurate in determining and charting the locations of celestial bodies before the advent of the telescope. He also brought artistry to his work, creating a unique observatory and even a novel way to bind his manuscripts. His astronomical contributions include charting accurate […] Continue reading

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Historical Astronomers in Context: Johannes Kepler

Johannes Kepler Born: December 27, 1571 Died: November 15, 1630 Important Contributions: Johannes Kepler and his discoveries were integral to understanding planetary motion in our solar system. Other than his three laws, Kepler was actually the first person to publish work defending Copernicus’ heliocentric model of the solar system. Copernicus did propose a heliocentric theory […] Continue reading

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Historical Astronomers in Context

Johannes Kepler

Jamestown being founded in 1607, was one of the first cities in America

The Turkish fleet attacked Cyprus in the War on Venice

This all showed what was most important in the 16th and 17th century, and how astronomy factore… Continue reading

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Historical Astronomers in Context (Galileo Galilei)

Galileo Galilei Born February 15, 1564  Died January 8, 1642  2. Galileo Galilei has been called the father of observational astronomy, modern physics, the scientific method, and modern science itself. He was influential in the field of astronomy due to his contributions which included telescopic confirmation of the phases of Venus, observation of satellites around …

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homework #2

Historical Astronomers in Context by Grace
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Historical Astronomers in Context

Nicholas Copernicus Birth Data: 19 February 1473  Death Data: 24 May 1543 Events During Copernicus’s Lifetime: 1494: Italian Renaissance marked its end when the austere monk Girolamo Savonarola rose power in Florence. 1519: Magellan started to sail around the world and proved that Earth was a circle. He travelled west across Atlantic, and he made […] Continue reading

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Historical Astronomers in Context

Question 1: Nicholas Copernicus: 1473–1543 (Bennett 311)Johannes Kepler: 1571–1630 (Bennett 315)Tycho Brahe: 1546–1601 (Bennett 313)Galileo Galilei: 1564–1642 (Bennett 326)Isaac Newton: 1642-1726 (Thony)Copernicus and Newton didn’t live the same time with others. Copernicus died before everyone (in 1543) and Newton was born after Galileo’s death. Tycho and Kepler lived the same time from 1571 (Kepler’s birth) […] Continue reading

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