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An introduction to astronomy (1916)

Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 381

An illustration from An introduction to astronomy, 1916, leaf 381
ch ithad been estabhshed was not yet fully comprehended.Halley was accused by skeptics of seeldng notoriety bymaking a prophecy and cleverly putting forward the dateof its fulfillment so far that he would be dead before hisfailure became known. However, before the 75 years hadpassed away, the law… … Fig. 127. — The orbit of Halleys comet. of Halleys prediction, although since its last appearance thecomet had been invisible for the lifetime of a man and hadgone out 3,000,000,000 miles from the sun to beyond theorbit of Neptune. There was great popular interest in thecomet as the date for its…

Astronomy

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