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Ephemeris   Listen
Ephemeris

noun
(pl. ephemerides)
1.
An annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year.



Related search:
ephemeris time


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"Ephemeris" Quotes from Famous Books



... cordage, an eight-and-twenty-gallon cask of water, and Mr. Samuel got a hundred and fifty pounds of bread, with a small quantity of rum and wine, also a quadrant and compass; but he was forbidden, on pain of death, to touch either map, ephemeris, book of astronomical observations, sextant, time-keeper, or any of ...
— Great Sea Stories • Various
... extreme difficulty with which the Uranian satellites are observed, the two brighter ones, Titania and Oberon, discovered by William Herschel in 1787, have been occasionally detected in telescopes of moderate power, and identified by means of an ephemeris which has shown that the computed positions approximately agree with those observed. During the last few years Mr. Marth has published ephemerides of the satellites of both Saturn and Uranus, and many amateurs have to acknowledge the valuable aid rendered by these tables, ...
— Scientific American Supplement, No. 303 - October 22, 1881 • Various


Words linked to "Ephemeris" :   yearbook, ephemeris time, yearly, annual


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