Free Images: "bestof:EllipseInPolarCoords2.svg Keplerellipse <math>A \ d1 \cdots \mathrm Periapsis </math> <math>B \ d2 \cdots \mathrm Apoapsis </math> Own 2006-04-07 2008-02-03"
EllipseInPolarCoords2.svg
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