Monthly Archives: September 2024

Historical Astronomers in Context

Posted on September 18, 2024 by Justinc

A portrait of Galileo Galilei

Importance to Astronomy – Galileo Galilei

Galileo Galilei (15 February 1564 – 8 January 1642) contributed many findings related to astronomy, a few include: He took a spyglass and improved upon it so that… Continue reading →

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Historical Astronomers in Context

Posted on September 17, 2024 by Alekzander Waller

Isaac Newton (25 December 1642 – 20 March 1726/27) Isaac Newton was important to astronomy due to Isaac Newton was crucial to astronomy because he developed the concept of universal gravitation, which explained why planets orbit the sun. This concept provided a unified theory for the motion of celestial bodies, essentially laying the foundation for […] Continue reading →

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Historical Astronomers in Context

Posted on September 17, 2024 by Michael

Tycho Brahe: 12/14/1546 – 10/14/1601 Brahe has been described as the greatest astronomer before the invention of the telescope. He was devoted towards building new measurement instruments with unprecedented levels of accuracy, which were necessary for his discoveries. A few of his most notable observations include the annual variation in the orbital speed of the […] Continue reading →

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Historical Figures in Context

Posted on September 17, 2024 by Elias Ibrahim

The dates of birth and death for major astronomical figures. Nicolaus Copernicus/Born: February 19, 1473. Died: May 24, 1543 Galileo Galilei/Born: February 15, 1564 Died: January 8, 1642 Johannes Kepler/Born: December 27, 1571. Died: November 15, 1630 Isaac Newton/Born: January 4, 1643. Died: March 31, 1727 Tycho Brahe/Born: December 14, 1546 Died: October 24, 1601 […] Continue reading →

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Historical Astronomers in Context

Posted on September 17, 2024 by Matthew Marcus

Johannes Kepler (27 December 1571 – 15 November 1630) Johannes Kepler’s most recognized contribution to astronomy are his three laws of planetary motion, published in 1609. First, planets’ orbital paths are elliptical, with the sun positioned at one focus. Second, during a planet’s orbit, equally sized sectors are swept out from the planet to the […] Continue reading →

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Historical Astronomers in Context

Posted on September 16, 2024 by jasonljohnson465

I chose the Astronomer Isaac Newton. Photo of Sir Isaac Newton Historical Events: The End of the English Civil War: It ended on September 3rd, 1651 with Oliver Cornwall’s victory at Worcester. It was a war that occurred in the British Isles between the supporters of Charles I and opposing groups in each of Charle’s […] Continue reading →

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Historical Astronomers in Context

Posted on September 16, 2024 by Catherine Sack

Isaac Newton was important for astronomy because he introduced the concept of gravity and how planets orbits around the sun. He developed three laws for motion and a law for gravitation. His findings changed the operations and understanding of the universe. The ending of the Thirty Years’ War and the second Anglo-Dutch war starting in […] Continue reading →

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Historical Astronomers in Context: Galileo Galilei

Posted on September 16, 2024 by Henry Wang

Galileo (1564-1642) was important to astronomy for many reasons. Galileo invented one of the first versions of a telescope, based on a spyglass, that he used to view the sky. His first major discovery was that the moon isn’t smooth, it has mountains, craters, and features on its surface. He then discovered many interesting things, […] Continue reading →

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Sextants in Celestial Navigation

Posted on September 16, 2024 by Leo Silva

Blog #2 – Leo Celestial navigation– also known as “astronavigation”– is a practice of nearly 4,000 years (HistoryHit, How Celestial Navigation Changed Maritime History) where an individual can determine their location in space or the Earth’s surface using the positions of other celestial bodies such as the Sun, Moon, other planets, and stars. Throughout history, […] Continue reading →

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Historical Astronomers in Context

Posted on September 15, 2024 by Ian Vasquez

Tycho Brahe (12/14/1546-10/24/1601) Excommunication of Queen Elizabeth I – Queen Elizabeth I excommunicated from Catholic Church by Pope Pius V on charge of heresy Massacre of St. Bartholomew’s Day – Thousands of French Protestants killed by Catholics in Paris William Shakespeare – Arguably the greatest contributor to literature ever with with works like Hamlet and […] Continue reading →

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