Day 146: Ptolemy, Kepler, and Homer (Simpson)

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As the astronomy students are introduced to Kepler’s Laws of Planetary motion, they learn how to draw ellipses and calculate eccentricity. They do some light reading on Ptolemy’s geocentric view of the universe and his epicycles. This gives me a chance to show the video clip below (showing epicycles can be used to explain just about any movement, right or wrong).

Screen shot 2014-04-17 at 12.44.29 PM

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