A compendium of astronomy; containing the elements of the science, familiarly explained and illustrated, with the latest discoveries. Adapted to the use of schools and academies, and of the general reader (1850)
Olmsted, Denison, 1791-1859 · New York, R. B. Collins · leaf 210
n and his ring in different parts of his orbit, while 251. How is the position of the ring with respect to itselfin all parts of its revolution ? How may the various appear-ances of the ring be represented ? SATURN. 197 abc represents the orbit of the earth.* Were the ringwhen at C and G… … as the ring passes towards its nodes at A and E, whereit dwindles into a straight line. From E to G the ringopens again, becomes broadest at G, and again contractstill it becomes a straight line at A, and from this pointexpands till it recovers its original breadth at C. Thesesuccessive appearances…
Astronomy
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