Tag Archives: astro201

Historical Astronomers in Context

Isaac Newton is one of the most important scientists in history. Although he lived during the late 17th century, his work has impacted the fields of mathematics, physics, and astronomy of today’s world. His notable accomplishments include the establishment of modern Physics, and the discovery of both the gravitational force and the three Universal Laws […] Continue reading

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Historical Astronomers in Context

Galileo Galilei (15 February 1564 – 8 January 1642), often given the title “father of astronomy” or even the “father of science,” lived during the start of modern science and faced much persecution for his contradiction of commonly held Aristotelian cosmology. The 16th and 17th century were very tumultuous times in Western history. The end … Continue reading Historical Astronomers in Context Continue reading

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Historical Astronomers in Context

2) Johannes Kepler made a groundbreaking discovery when he determined planets’ orbits are ellipses, not perfect circles. This is important because it explained why previous models of our solar system were flawed. Additionally, Kepler’s laws give important information on how exactly orbits work. For example, his second law tells us that planets will cover area […] Continue reading

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Historical Astronomers in Context

Johannes Kepler (1571-1630) was important to astronomy because he was a master mathematician and calculator. He worked in conjunction with Tycho Brahe who, through his brilliant eyesight made a lot of readings. Kepler used these readings to make deductions of how the solar system and the universe work. His three laws still hold true today: […] Continue reading

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Historical Astronomers in Context

Johannes Kepler (1571-1630) is important to astronomy because he was the first person to develop laws governing planetary motion. Our understanding of orbital motion is based on the work that Kepler did. The following are events that occurred during Kepler’s life. The British East India Company was founded in 1600. This company heavily influenced British policy […] Continue reading

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Isaac Newton

Isaac Newton (25 December 1642-20 March 1727) was an English physicist and astronomer. He made significant contributions to the world of science by detailing the laws of motion and created the first reflecting telescope. He also further proved the heliocentric theory by using Kepler’s laws with his mathematical principles of gravity and removed the little doubt that still… Continue reading

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Sir Isaac Newton’s World

Sir Isaac Newton was born Christmas day, December 25, 1642 in the small hamlet of Woolsthorpe in the county of Lincolnshire in the English countryside. He lived a full 84 years, in which he revolutionized our fundamental understanding of the universe by discovering his Law’s of Motion, Law of Gravity, and laws of Optics; as … Continue reading Sir Isaac Newton’s World Continue reading

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Historical Astronomers in Context: Galileo Galilei

Galileo Galilei (February 15, 1564 – January 8, 1642) is a mathematician and astronomer most well known for supporting and publishing the heliocentric model, suggested by Copernicus. Galileo helped overturn objections to Copernicus’ model by making discoveries about motion, the imperfectness of things in the sky, and providing evidence that the stars are much farther […] Continue reading

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Historical Astronomers in Context: Isaac Newton

Isaac Newton (December 25, 1642 – March 20, 1727) spent some time working on gravitation and how it affects the orbits of planets. He eventually published the Principia Mathematica, which introduced Newton’s law of universal gravitation, i.e. In September 1666, when Newton was 23 and attending Trinity College, Cambridge (in England), the Great Fire of London… Continue reading

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Historical Astronomers in Context

Johannes Kepler’s contribution to astronomy can be matched by few. The laws of planetary motion appropriately named Kepler’s laws are still used to this day for approximating planetary orbits. His equations and observations gave us insight into the relationship between orbital period and orbital distance. Ultimately, Kepler’s contributions to astronomy played a key role in […] Continue reading

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