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ephemeris

n. 位置推算歷

位置推算歷

WordNet (r) 3.0 (2006) (WordNet)

ephemeris
n 1: an annual publication containing astronomical tables that
give the positions of the celestial bodies throughout the
year; "today computers calculate the ephemerides"

The Collaborative International Dictionary of English v.0.48 (gcide)

Ephemeris \E*phem"e*ris\, n.; pl. {Ephemerides}. [L., a diary,
Gr. ?, also, a calendar, fr. ?. See {Ephemera}.]
1. A diary; a journal. --Johnson.
[1913 Webster]

2. (Anat.)
(a) A publication giving the computed places of the
heavenly bodies for each day of the year, with other
numerical data, for the use of the astronomer and
navigator; an astronomical almanac; as, the "American
Ephemeris and Nautical Almanac."
(b) Any tabular statement of the assigned places of a
heavenly body, as a planet or comet, on several
successive days.
[1913 Webster]

3. (Literature) A collective name for reviews, magazines, and
all kinds of periodical literature. --Brande & C.
[1913 Webster]

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Astrology Ephemeris for 9000+ years - Astrodienst
The ephemeris also contains the Lunar Nodes True Node and Mean Node, the minor planet Chiron and the mathematical point 'Lilith' or 'Dark Moon', technically known as the Lunar Apogee The ephemeris files may be downloaded and printed for private use only Any redistribution of these files in electronic or printed format requires the permission
Ephemerides - Ephemeris for Year 1900 - 2100 Astrology, Horoscopes online
In astronomy and celestial navigation, an ephemeris gives the positions of astronomical objects in the sky at a given time or times Historically, positions were given as printed tables of values, given at regular intervals of date and time Modern ephemerides are often computed electronically from mathematical models of the motion of

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