Keywords: Ellipse set 2.png en A set of affinitive ellipses with the same length of minor axis derivated from the red circle 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 own Orion 8 2011-03-30 <gallery widths 60px heights 30px perrow 3> File Ellipse_set_1 png File Ellipse_set_1-2 png File Ellipse_set_3 png </gallery> Cc-zero Ellipses |