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Elementary lessons in astronomy (1889)

Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 207

An illustration from Elementary lessons in astronomy, 1889, leaf 207
. 372. Although, as we have seen, the Moon advancesabout 13° in her orbit every 24 hours, the time between twosuccessive moonrises varies considerably, and for a reasonwhich should easily be understood. If the Moon movedalong the equator,—or, in other words, if her orbit werein the plane of our… … Fig. 32.—Explanation of the Harvest Moon it is SO inclined, she approaches the horizon at vastlydifferent angles at different times. In Art. 362 we sawthat half of the ecliptic is to the north and half to thesouth of the equator, the former crossing the latter in thesigns Aries and Libra. Now when…

Astronomy · Solar system

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