Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 164
, makes no difference in the timesof the eclipses, but a very great one in their visibility, andin their apparent situations with respect to the planet atthe moments of their entering and quitting the shadow. (538) Suppose S. to be the sun, E. the earth in itsorbit, E. F. G. K., J. Jupiter, and… … sun, and the consequent smallness of the angle (about 6only) its disc subtends at Jupiter, will hardly extend, with-in the limits of the satellites orbits, to any perceptibledistance beyond the shadow—for which reason it is notrepresented in the figure. A satellite revolving from west toeast (in…
Astronomy
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