Keplers illustration to explain his discovery of the elliptical orbit of Mars. From Johannes Kepler Astronomia Nova ... de Motibus Stellae Martis 1609. Woodcut. Editorial Stock Photo - Afloimages
Kepler's illustration to explain his discovery of the elliptical orbit of Mars. From Johannes Kepler 'Astronomia Nova ... de Motibus Stellae Martis' 1609. Woodcut.