celestial navigation, an ephemeris (/ɪˈfɛmərəs/; pl. ephemerides /ˌɛfəˈmɛrədiːz/; from Latin ephemeris 'diary' and Greek ἐφημερίς (ephemeris) 'diary, journal')...
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The term ephemeris time (often abbreviated ET) can in principle refer to time in association with any ephemeris (itinerary of the trajectory of an astronomical...
30 KB (3,978 words) - 00:03, 28 March 2024
Raphael's Ephemeris is an ephemeris, or set of tables, used in astrology to determine the position of the Sun, Moon and planets. Raphael was a pseudonym...
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Ephemeris and Nautical Almanac and The Astronomical Ephemeris, a new name for the old British title The Nautical Almanac and Astronomical Ephemeris....
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Omoglymmius ephemeris is a species of beetle in the subfamily Rhysodidae. It was described by R.T. & J.R. Bell in 1982. "Omoglymmius ephemeris R.T. & J.R...
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Propulsion Laboratory as Development Ephemeris. The latest releases include DE430 which covers planetary and lunar ephemeris from Dec 21, 1549 to Jan 25, 2650...
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third release of the JPL Ephemeris Tapes, and was a special purpose, short-duration ephemeris. The then-current JPL Export Ephemeris was DE19. These early...
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each ("ephemeris days"). This is the normal meaning of the unit "year" used in various scientific contexts. The Julian century of 36525 ephemeris days and...
51 KB (5,661 words) - 22:06, 17 August 2024
themselves on a featureless ocean. Developmental Ephemeris or the Jet Propulsion Laboratory Developmental Ephemeris (JPL DE) is a widely used model of the solar...
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Second (section Fraction of an ephemeris year)
Supplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac, p. 9, ... defined ephemeris time ... [was] adopted by the International...
34 KB (3,641 words) - 16:04, 21 August 2024