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2. Digistar - Wikipedia

   en.wikipedia.org/wiki/Digistar

   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 ...

3. Planetarium projector - Wikipedia

   en.wikipedia.org/wiki/Planetarium_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 complex.

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   The lamp is super easy to assemble and looks absolutely fantastic. The colors are gorgeous and stunning. ... #14 Star Projector Galaxy Night Light : ... High-Quality Queen-Sized Pillows Offering ...

5. Tired Of Counting Sheep? These 10 Reddit-Approved Sleep ... - AOL

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   They feel and look so high quality! High quality for a low price!" — Adrianne G. Buy Now: ... Astronaut Star Projector Turns Your Room Into A Galaxy! ... but the lamp kept him up. The reviews ...

6. Ultra-high-performance lamp - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-performance_lamp

   Ultra-high-performance lamp. An ultra-high-performance lamp, often known by the Philips trademark UHP, is a high-pressure mercury arc lamp. [1] These were originally known as ultra-high-pressure lamps, [2] [3] because the internal pressure can rise to as much as 200 atmospheres when the lamp reaches its operating temperature.

7. Planetarium - Wikipedia

   en.wikipedia.org/wiki/Planetarium

   Generally speaking, the more pixels a system can display, the better the viewing experience. While the first generation of digital projectors were unable to generate enough pixels to match the image quality of the best traditional "star ball" projectors, high-end systems now offer a resolution that approaches the limit of human visual acuity.