Introduction Kepler's New Astronomy Three Models Kepler's Departure Making Observations The "Mean" Sun The Corrected Table Ptolemy's "Equant" A "Vicarious Hypothesis" Earth's Motion An "Immaterial Species" Area-Time Principle Not a Circle An Ellipse Endnote On HarmonyThe Calculus Part II Recommended Books

 

 

"Oppositions" on the Zodiac:

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