Daily Archives: February 1, 2024

blog 2: Gravity over time

Posted on February 1, 2024 by matthewastro

Isaac Newton originally conceptualized gravity as a mutually attractive force between all objects with mass. Those who came before him, such as Galileo, had performed experiments and attempted to establish increasingly robust understandings of this force, but none quite unified the idea like Newton. The story goes that Newton saw an apple fall from a […] Continue reading →

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Blog 1 – The Cosmic Calendar

Posted on February 1, 2024 by Leni Ertel

Cosmic Calendar Image The Cosmic Calendar summarizes the history of the universe into a way that is easy for humans to comprehend-one 12-month calendar year. The universe is about 14 billions years old, so each month of the year represents a little more than a billion years of the universe’s history. Using this model, all […] Continue reading →

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Newton in Context

Posted on February 1, 2024 by matthewastro

The five most important astronomical pioneers which we are studying in this course are Nicholas Copernicus (February 19, 1473 to May 24, 1543), Galileo Galilei (February 15, 1564 to January 8, 1642), Johannes Kepler (December 27, 1571 to November 15, 1630), Isaac Newton (December 25, 1642 to March 20, 1727) and Tycho Brahe (December 14, […] Continue reading →

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