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Libration   /laɪbrˈeɪʃən/   Listen
Libration

noun
1.
(astronomy) a real or apparent slow oscillation of a moon or satellite.






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"Libration" Quotes from Famous Books



... Canes Venatici, Coma Bernices, Lacerta, Leo Minor, Lynx, Monoceros, Sextans, and Vulpecula. He also executed a chart of the Moon's surface, wrote a description of the lunar spots, and discovered the Libration ...
— The Astronomy of Milton's 'Paradise Lost' • Thomas Orchard

... convicts' huts and more pretentious houses of the guards on the other. And the choking mists, and the lurid flame behind. The stifling heat, Luke learned, too, that every ninth day, with what they called the libration of Vulcan, there came an equal period of raw and biting cold to replace the heat. As bad or worse, ...
— Vulcan's Workshop • Harl Vincent

... the moon displays invariably the same face to the earth; nevertheless, to be quite exact, it is necessary to add that, in consequence of certain fluctuations of north and south, and of west and east, termed her libration, she permits rather more than half, that is to say, five-sevenths, ...
— Jules Verne's Classic Books • Jules Verne

... from shore between the parallels of thirty degrees north and south, whose uniform and invariable action causes a long and constant swell, that exists even in the calmest weather, about the line, towards which its direction tends from either side. This swell or libration of the sea is so prodigiously long, and the sensible effect of its height, of course, so much diminished, that it is not often attended to; the gradual slope engrossing almost the whole horizon when the eye is not very much elevated above its surface: but persons who have sailed in those parts ...
— The History of Sumatra - Containing An Account Of The Government, Laws, Customs And - Manners Of The Native Inhabitants • William Marsden



Words linked to "Libration" :   uranology, librate, oscillation, astronomy, variation



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