Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 266
heeclipses, as observed, fall con-stantly more and more be-hindhand, and by preciselythe same amount for allfour satellites. The differ-ence between the predictedand observed time continuesto increase until the planetis near conjunction, whenthe eclipses are almost 17minutes later than the… … Fig. 86.Determination of the Equation of Light. § 353] THE EQUATION OF LIGHT. 251 is nearer the earth than at conjunction by just two astronom-ical units; i.e., JB — J A = 2SA, and light coming from J tothe earth when it is at A, will, therefore, make the journeyquicker than when it is at B, by…
Astronomy · Constellations
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