Tag Archives: Aristotle

Galileo and Motion

Before Galileo’s time, Aristotle was the god of gravity. Seriously. Before Galileo came along, the question of how gravity worked was answered with another question: “What would Aristotle say?” Obviously, this method was faulty, since Aristotle was actually wrong about … Continue reading

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The Ptolemaic Universe

Claudius Ptolemy lived about five centuries after the Greek philosopher Aristotle’s time. Aristotle’s model for the universe—the first geocentric model, with Earth at the center—was still widely accepted, and Ptolemy sought to improve it. Ptolemy was one of the first of … Continue reading

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Aristotle’s Universe

You might have heard of Aristotle. He’s the guy who said that we are what we repeatedly do. His words are often interpreted to mean that, for instance, a person who farms is therefore a farmer—or a person who writes … Continue reading

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