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A Zeiss Universarium Mark IX starball projector. A planetarium projector, also known as a star projector, is a device used to project images of celestial objects onto the dome in a planetarium. Modern planetarium projectors were first designed and built by the Carl Zeiss Jena company in Germany between 1923 and 1925, and have since grown more ...
Digistar is the first computer graphics-based planetarium projection and content system.It was designed by Evans & Sutherland and released in 1983. The technology originally focused on accurate and high quality display of stars, including for the first time showing stars from points of view other than Earth's surface, travelling through the stars, and accurately showing celestial bodies from ...
A dominant feature of most planetariums is the large dome-shaped projection screen onto which scenes of stars, planets, and other celestial objects can be made to appear and move realistically to simulate their motion. The projection can be created in various ways, such as a star ball, slide projector, video, fulldome projector systems, and lasers.
The ceiling projector or cloud searchlight is used to measure the height of the base of clouds (called the ceiling) above the ground. It is used in conjunction with an alidade, usually positioned 1000 ft (300 m) away and wherever possible set at the same level. The projector is normally set at 90°, although 71° 31' may be used, in relation to ...
The mural at the Rijksmuseum in Amsterdam is a contemporary example of a star-painted ceiling. The installation was painted in 2013 and consists of 47,000 painted black stars on a plain white ceiling. The six-pointed stars were hand-painted by Richard Wright and his art team over a period of two months. [25]
Retrieved from "https://en.wikipedia.org/w/index.php?title=Star_projector&oldid=233474926"This page was last edited on 22 August 2008, at 04:39 (UTC) (UTC)
A blazingly bright event known as a nova, a light show that happens approximately once every 80 years, is expected to be visible in the coming months -- an event more rare than a total solar eclipse.
The astronomical catalogue is composed mainly of star clusters, nebulae, and galaxies. Other objects in the catalogue can be found in the other subpages of the list of NGC objects . The constellation information in these tables is from The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer , [ 1 ...
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