Tag Archives: Claudius Ptolemy

The Copernican Revolution

Nicolaus Copernicus lived from 1473-1543, a time when rebellion against the Church was at its height. And unfortunately for the astronomy of the time, it had gotten inextricably tied up with Christian teachings. In that time, heaven and hell weren’t … 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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Stars: Naming and Brightness

So, this post builds a bit on constellations. I know it’s been a while since I’ve talked about them, so I’ll give you a brief recap before we dive into stars, their names, and their brightness. Meet Pegasus, and the constellations … Continue reading

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