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Hasil cari dari kata atau frase: Heliocentric longitude (0.00865 detik)
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Definition: Heliocentric longitude
, n. [F., fr. L. longitudo, fr. longus
1. Length; measure or distance along the longest line; --
distinguished from breadth
; as, the
longitude of a room; rare now, except in a humorous sense.
--Sir H. Wotton.
The longitude of their cloaks. --Sir. W.
Mine [shadow] spindling into longitude immense.
2. (Geog.) The arc or portion of the equator intersected
between the meridian of a given place and the meridian of
some other place from which longitude is reckoned, as from
Greenwich, England, or sometimes from the capital of a
country, as from Washington or Paris. The longitude of a
place is expressed either in degrees or in time; as, that
of New York is 74[deg] or 4 h. 56 min. west of Greenwich.
3. (Astron.) The distance in degrees, reckoned from the
vernal equinox, on the ecliptic, to a circle at right
angles to the ecliptic passing through the heavenly body
whose longitude is designated; as, the longitude of
Capella is 79[deg].
(Astron.), the longitude of a heavenly
body as seen from the earth.
, the longitude of a heavenly body,
as seen from the sun's center.
, certain stars whose position is known, and
the data in regard to which are used in observations for
finding the longitude, as by lunar distances.