The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1872)
White, Charles J. (Charles Joyce), 1839-1917 · Philadelphia, Claxton, Remsen & Haffelfinger · leaf 187
it of Saturn. Let HN be the line of nodes ofthe ringo, and draw the lines GO and KM parallel to HNt andtangent to the earths orbit. When the planet is at H, the plane RINGS OF SATURN. 179 of the rings passes through the sun, and only the edge of therings is illuminated. In such a case the rings… … of the rings, they will again disappear. And thirdly, if, whilethe planet is within the same limits, the plane of the ringspasses between the earth and the sun, the dark side of the ringswill be turned towards the earth, and they will disappear,When the planet is beyond these limits, it is evident…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
