What were some of Kepler's mathematical concepts? After a little research, I have discovered Kepler's conjecture (the sphere packing), how ellipses (foci, eccentricity, etc) correspond to Kepler's first law, and a few formulas here and there. What else did he do?(adsbygoogle = window.adsbygoogle || []).push({});

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# What did Kepler do for the field of mathematics?

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