pla·ni·sphere (pl  n -sfîr )n. 1. A representation of a sphere or part of a sphere on a plane surface. 2. Astronomy A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place. pla ni·spheric (-sfîrk, -sf r-), plani·spheri·cal (--k l) adj. |
planisphere [ˈplænɪˌsfɪə]
n
(Earth Sciences / Physical Geography) a projection or representation of all or part of a sphere on a plane surface, such as a polar projection of the celestial sphere onto a chart
[from Medieval Latin plānisphaerium, from Latin plānus flat + Greek sphaira globe]
planispheric [ˌplænɪˈsfɛrɪk] adj
planisphere
a map showing half or more of the sphere of the heavens, indicating which part is visible at what hour from a given location. — planispheric, planispherical, adj.
See also: Astronomya map showing half or more of the sphere of the heavens, indicating which part is visible at what hour from a given location. — planispheric, planispherical, adj.
See also: Mapsan astrolabe.
See also: Representation
Translations
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