Suns in the Equator and Ecliptic Small 320×312 Medium 640×623 Large 1024×997 Download Tiff Original 2400×2337 | (376.9 KB) Description "Were the Earth's orbit a perfect circle, and her axis perpendicular to the plane of this orbit, the days would be of a uniform length, and there would be no difference between the clock and the Sun." -Comstock 1850 Keywords circle, earth, Orbit, perfect, sun Galleries Astronomy Source: J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 323
