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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 complex.
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 ...
Smaller planetarium projectors include a set of fixed stars, Sun, Moon, and planets, and various nebulae. Larger projectors also include comets and a far greater selection of stars. Additional projectors can be added to show twilight around the outside of the screen (complete with city or country scenes) as well as the Milky Way.
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Holiday Projector Lights. This projector can see you through the whole holiday season since it features different modes with designs for Halloween, Thanksgiving, Christmas, Valentine's Day and ...
3 - Mechanical shutter of star field projector 4 - Milky Way projector (North) 5 - Planetary projectors (North) 6 - Sun, Moon and Vertical circle projectors 7 - Horizon circle projector 8 - Planetary projectors (South) 9 - Star Globe (South) 10 - Compass point projector. The planetarium projector was the