Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 257
liptical shape, with anopen space between it and the planet, while at anotherit is narrowed down and looks like two handles project-ing from each side of the planet; and then again it van-ishes entirely from our sight. 582. The causes of these changes are found in the fol-lowing facts; First, that… … SATURN AND HIS RING. curve abed, represents the orbit of the earth, the centralfigure the sun and A, B, C, D, E, F, Grf H, eight positionsof Saturn in his orbit. Now if we were stationed uponthe sun, Saturn being at 0, the solar light falling uponthe flat surface of the ring would be reflected back…
Astronomy
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