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Daily Archives: January 25, 2019
Tides and the Limits of Human Understanding
This story begins where so many great ones do (including the unnecessarily long URL of my blog) – by making fun of Bill O’Reilly: Like many people. Bill can’t grasp how the tides operate. And, in his defense, the explanation isn’t exactly obvious to the layperson. As the moon orbits Earth, its gravitational influence produces … Continue reading Tides and the Limits of Human Understanding → Continue reading
Historical Astronomers in Context
Isaac Newton (1643-1727) was a revolutionary figure in the field of astronomy, and science in general. Newton expanded upon the ideas of Galileo by identifying the force of gravity, and subsequently formulating the law of gravitation. Along with the law of gravitation, he introduced the three laws of motion. Other contributions to astronomy include observing … Continue reading Historical Astronomers in Context → Continue reading
Copernicus in Context
Nicolaus Copernicus (19 February 1473 – 24 May 1543) was one of the most important figures in astronomy history. In order to find a better model to predict planet motions, Copernicus developed the heliocentric theory based on Aristarchus’s work. He calculated both the orbital period and distance to the Sun, providing geometric relationships and therefore strengthening … Continue reading Copernicus in Context → Continue reading