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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.
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In January 1997, the original Hayden Planetarium was closed and demolished. In August 1999, a new, customized Zeiss Mark IX projector was installed, accompanied by a digital dome projection system that provides a 3-D visualization of the universe based on images generated in real time by a Silicon Graphics supercomputer.
Megastar (メガスター, Megasutā) is a series of planetarium projectors which was recorded in Guinness World Records [1] in 2004 as the planetarium projector that can project the most number of stars in the world.
50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. KP-7200 [36] Sony: 1978: No : 480i : 50 [37] Analogue:
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