When.com Web Search

  1. Ads

    related to: star projection night light

Search results

  1. Results From The WOW.Com Content Network
  2. 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.

  3. 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 ...

  4. Planetarium - Wikipedia

    en.wikipedia.org/wiki/Planetarium

    Traditional planetarium projection apparatus use a hollow ball with a light inside, and a pinhole for each star, hence the name "star ball". With some of the brightest stars (e.g. Sirius , Canopus , Vega ), the hole must be so big to let enough light through that there must be a small lens in the hole to focus the light to a sharp point on the ...

  5. Night sky - Wikipedia

    en.wikipedia.org/wiki/Night_sky

    Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...

  6. Buy Now: amazon.com #7 Bring The Magic Of The Night Sky Into Your Home With The Star Projector .This Enchanting Device Projects A Stunning Array Of Stars And Constellations Onto Your Ceiling ...

  7. Zeiss projector - Wikipedia

    en.wikipedia.org/wiki/Zeiss_projector

    The first Zeiss Mark I projector (the first planetarium projector in the world) was installed in the Deutsches Museum in Munich in August, 1923. [3] It possessed a distinctive appearance, with a single sphere of projection lenses supported above a large, angled "planet cage".