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  2. Skyglow - Wikipedia

    en.wikipedia.org/wiki/Skyglow

    Skyglow (or sky glow) is the diffuse luminance of the night sky, apart from discrete light sources such as the Moon and visible individual stars. It is a commonly noticed aspect of light pollution . While usually referring to luminance arising from artificial lighting , skyglow may also involve any scattered light seen at night, including ...

  3. Skybox (video games) - Wikipedia

    en.wikipedia.org/wiki/Skybox_(video_games)

    A skybox is a method of creating backgrounds to make a video game level appear larger than it really is. [1] When a skybox is used, the level is enclosed in a cuboid.The sky, distant mountains, distant buildings, and other unreachable objects are projected onto the cube's faces (using a technique called cube mapping), thus creating the illusion of distant three-dimensional surroundings.

  4. 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 ...

  5. List of cities with the most skyscrapers - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_with_the...

    Night view of the skyline of Hong Kong, which has over 500 skyscrapers. The list of cities with most skyscrapers ranks cities around the world by their number of skyscrapers . A skyscraper is defined as a continuously habitable high-rise building that has over 40 floors [ 1 ] and is taller than approximately 150 m (492 ft). [ 2 ]

  6. Sky brightness - Wikipedia

    en.wikipedia.org/wiki/Sky_brightness

    Sky brightness refers to the visual perception of the sky and how it scatters and diffuses light. The fact that the sky is not completely dark at night is easily visible. If light sources (e.g. the Moon and light pollution ) were removed from the night sky , only direct starlight would be visible.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Sky at Night - Wikipedia

    en.wikipedia.org/wiki/Sky_at_Night

    Sky at Night may refer to: the night sky; Sky at Night, a 2010 album by I Am Kloot; The Sky at Night, a BBC television programme on astronomy ... Mobile view ...

  9. Sky quality meter - Wikipedia

    en.wikipedia.org/wiki/Sky_Quality_Meter

    Sky Quality Meter model SQM-L. A sky quality meter (SQM) is an instrument used to measure the luminance of the night sky, more specifically the Night Sky Brightness (NSB) at the zenith, with a bandwidth ranging from 390 nm to 600 nm. [1]