Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 286
hat light requiresa certain time to pass from one point to another wasdiscovered by Homer1 in 1675. He noticed that thetimes of the eclipses and transits of Jupiters satellitesoccurred later when the earth was on the side of itsorbit opposite to Jupiter than when it was nearer tohim. The first one… … orbit, S the sun, and J the position of Jupiter, the earth at E is nearer to Jupiter than at W by the distance EE, the diameter of its orbit. He therefore rightly concluded that the reason of the lateness was the greater distance the light has to pass over in one case than in the other. This…
Astronomy
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