planisphere


Also found in: Encyclopedia, Wikipedia.

pla·ni·sphere

 (plā′nĭ-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·spher′ic (-sfîr′ĭk, -sfĕr′-), pla′ni·spher′i·cal (-ĭ-kəl) adj.

planisphere

(ˈplænɪˌsfɪə)
n
(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
[C14: from Medieval Latin plānisphaerium, from Latin plānus flat + Greek sphaira globe]
planispheric adj

plan•i•sphere

(ˈplæn əˌsfɪər, ˈpleɪ nə-)

n.
1. a map of half or more of the celestial sphere with a device for indicating the part of a given location visible at a given time.
2. a projection or representation of the whole or a part of a sphere on a plane.
[1350–1400; Middle English planisperie < Medieval Latin plānisphaerium; see plani-, sphere]
plan`i•spher′i•cal (-ˈsfɛr ɪ kəl) plan`i•spher′ic, plan`i•spher′al, 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: Astronomy
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: Maps
an astrolabe.
See also: Representation
Translations

planisphere

[ˈplænɪˌsfɪəʳ] nplanisfero
References in classic literature ?
In an apartment of the great temple of Denderah, some fifty years ago, there was discovered upon the granite ceiling a sculptured and painted planisphere, abounding in centaurs, griffins, and dolphins, similar to the grotesque figures on the celestial globe of the moderns.
Then my eyes fell upon the vast planisphere spread upon the table, and I placed my finger on the very spot where the given latitude and longitude crossed.
At this point indicated on the planisphere one of these currents was rolling, the Kuro-Scivo of the Japanese, the Black River, which, leaving the Gulf of Bengal, where it is warmed by the perpendicular rays of a tropical sun, crosses the Straits of Malacca along the coast of Asia, turns into the North Pacific to the Aleutian Islands, carrying with it trunks of camphor-trees and other indigenous productions, and edging the waves of the ocean with the pure indigo of its warm water.
Many resources for beginners and those at intermediate level are available from the ASSA website, including the Southern Star Wheel planisphere, ConCards (constellation and deep-sky object finder charts) and the comprehensive Deepsky Observer's Companion tutorial.
The new planisphere is focused on the Pacific and makes Dubai a potential regional capital, a metropolis of Asia and, perhaps even the business capital of Africa, which fails to develop a secure centre.
Virilio calls the resulting upheavals the 'portable revolution,' which, along with revolutions in transportation and transmission technologies, will lead to what he calls an 'interactive planisphere.
The cottages are on the edge of the Exmoor National Park, the first International Dark Sky Reserve in Europe, making it perfect for stargazing, and each comes equipped with its own planisphere and binoculars to help identify the constellations.
At the very least Hipparchus fully developed the mathematics required for the astrolabe, and the two progenitor instruments, the planisphere and dioptra, were already available to him.
Each cottage equipped with its own planisphere and binoculars.
Ashbery, 83, celebrating the recent publication of his 28th book of poetry, Planisphere, has done more to "illuminate" our language than perhaps any other living poet of the last century.
was some random asteroid So I bought a Planisphere (such natty things), the better to pinpoint their location.