Daily Archives: September 17, 2024

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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