Keywords: Ellipse set 1-2.png en The combination of File Ellipse_set_2 png and File Ellipse_set_1 png <br> A set of affinitive ellipses with the same length of minor axis derivated from the red circle The dots are at the focus points <br> Above The ellipses are slided to the positions where one of their focus points fit to the center of the circle The decreasing of the focus length visibly follows the increasing of the eccentricity or of the rate of the major and minor axes <br> Below The same ellipses slided to be tangent of the circle from inside own Orion 8 2011-03-30 <gallery widths 60px heights 30px perrow 3> File Ellipse_set_1 png File Ellipse_set_2 png File Ellipse_set_3 png </gallery> Cc-zero Ellipses |