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Tag Archives: HW6
Historical Astronomers in Context
Johannes Kepler, 1571-1630 Johannes Kepler devised the three laws of planetary motion. He was the first one to state that planets followed elliptical orbits and not circular orbits. He also discovered that planets move quicker when closer to the Sun and that more distant planets orbit the Sun at slower speeds. Introduction of Gregorian Calendar, […]
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The “Dude” of Astronomy
Galileo Galilei (Feb 15, 1564 – Jan 18, 1642 ): is considered the Father of Astronomy. He also believed in a heliocentric universe and was forced to take back his beliefs. He also developed a telescope allowing him to view and observe planets more closely. He made major discoveries through this technology such as the…
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Historical Astronomers in Context
Isaac Newton (December 25, 1642 – March 31, 1727) When Newton was around 23 years old, the last major epidemic of Bubonic Plague in England took place, known as the “Great Plague of London.” Also, when Newton was a teenager, the Wars of the Three Kingdoms were taking place, with the conflict in Scotland having a…
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Astronomy and Religion in Germany: The Story of Johannes Kepler
Johannes Kepler (1571-1630) Johannes Kepler’s work began when he apprenticed for Tycho Brahe in the year preceding Tycho’s death. Kepler …
Historical Astronomers in Context
Nicolaus Copernicus (February 19, 1473- May 24, 1543) was extremely important to astronomy because he was the first person to publish a model of the universe with the Sun in the middle rather than the Earth. This went against everything everyone had ever believed up until this point and many people thought he was crazy. However, this publication then […]
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Tagged astro201, Copernicus, HW6
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Historical Astronomers in Context
Galileo’s (1564-1642) importance in astronomy lies in his solidification of the Copernican revolution by answering all three basic objections that were rooted in Aristotelian physics and ancient Greek beliefs. First, through experimentation, Galileo showed that an object in motion stays in motion unless a force acts to stop it, which explains why objects that share […]
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Tagged astro201, galileo, HW6
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Johannes Kepler in Context
Johannes Kepler (December 27, 1571-November 15, 1630) Johannes Kepler contributed significantly to the world of astronomy by finally proving that planetary orbits were not perfect circles, but ellipses. Up until his time, all astronomers insisted that the planets orbits be perfect circles because everything in the universe was created by God, and God was perfect.… Continue reading Johannes Kepler in Context
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Putting Copernicus into Context
Nicolaus Copernicus (19 February 1473-24 May 1543) Picture source Nicholas Copernicus is significant to astronomy because of his theory that the sun was at the center of the universe. While this had been proposed by Aristarchus in ancient Greece, it was not taken seriously until Copernicus published On the Revolutions of the Celestial Spheres, which kicked … Continue reading Putting Copernicus into Context →
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Putting Copernicus into Context
Nicolaus Copernicus (19 February 1473-24 May 1543) Picture source Nicholas Copernicus is significant to astronomy because of his theory that the sun was at the center of the universe. While this had been proposed by Aristarchus in ancient Greece, it was not taken seriously until Copernicus published On the Revolutions of the Celestial Spheres, which kicked … Continue reading Putting Copernicus into Context → Continue reading
Posted in Class, Historical
Tagged astr201, Copernicus, HW6
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Great events and figure in the time of Isaac Newton
Isaac Newton 25 December 1642 – 20 March 1726/7(due to different calendars) What happened during Newton’s lifetime? 1. English Revolution It was a bourgeois revolution, during which the bourgeois destroyed the last feudalism in Britain, bringing democratic ideas to people. 2. Glorious Revolution This revolution was the overthrow of King James and his policies of religious…
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Tagged astro201, HW6, Newton
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