Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 55
uthwards, he willat length reach a Hue on the earths surface, called theequator, at any point of which, indifferently, if he takeup his station and recommence his observations, he will 4S A TREATISE ON ASTRONOMY. CHAP, each other at first, will appear to separate, and others toapproach, and perhaps… … still he referred by him to the east point of his horizon,with hardly any perceptible deviation. The reason of thisis, that the position of every object is referred by us tothe surface of an imaginary sphere of an indefinite ra.dius, having our eye for its centre; and, as we advancein any…
Astronomy
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