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  2. Cosmic microwave background - Wikipedia

    en.wikipedia.org/wiki/Cosmic_microwave_background

    1990 – FIRAS on the Cosmic Background Explorer (COBE) satellite measures the black body form of the CMB spectrum with exquisite precision, and shows that the microwave background has a nearly perfect black-body spectrum with T = 2.73 K and thereby strongly constrains the density of the intergalactic medium.

  3. Colors of noise - Wikipedia

    en.wikipedia.org/wiki/Colors_of_noise

    The Federal Standard 1037C Telecommunications Glossary [1] [2] defines white, pink, blue, and black noise. The color names for these different types of sounds are derived from a loose analogy between the spectrum of frequencies of sound wave present in the sound (as shown in the blue diagrams) and the equivalent spectrum of light wave frequencies.

  4. Noise (video) - Wikipedia

    en.wikipedia.org/wiki/Noise_(video)

    Noise, static or snow screen captured from a VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices.

  5. Cosmic background radiation - Wikipedia

    en.wikipedia.org/wiki/Cosmic_background_radiation

    Cosmic background radiation is electromagnetic radiation that fills all space. The origin of this radiation depends on the region of the spectrum that is observed. One component is the cosmic microwave background .

  6. Monochrome - Wikipedia

    en.wikipedia.org/wiki/Monochrome

    Example of a monochromatic color scheme Monochromatic color gradient on color wheel. A monochromatic color scheme comprises (tones, tints, and shades) of a single hue.Tints are achieved by adding white, thereby increasing lightness; Shades are achieved by adding black, thereby decreasing lightness; Tones are achieved by adding gray, thereby decreasing colorfulness.

  7. Eigengrau - Wikipedia

    en.wikipedia.org/wiki/Eigengrau

    Eigengrau (German for "intrinsic gray"; pronounced [ˈʔaɪ̯gŋ̍ˌgʁaʊ̯] ⓘ), also called Eigenlicht (Dutch and German for "intrinsic light"), dark light, or brain gray, is the uniform dark gray background color that many people report seeing in the absence of light.

  8. The Great Wave off Kanagawa - Wikipedia

    en.wikipedia.org/wiki/The_Great_Wave_off_Kanagawa

    In The Great Wave off Kanagawa, Mount Fuji is depicted in blue with white highlights in a similar way to the wave in the foreground. [21] The dark colour surrounding the mountain appears to indicate the painting is set in the early morning, with the sun rising from the viewer's vantage point and beginning to illuminate the snowy peak.

  9. Black-and-white - Wikipedia

    en.wikipedia.org/wiki/Black-and-white

    Since the late 1960s, few mainstream films have been shot in black-and-white. The reasons are frequently commercial, as it is difficult to sell a film for television broadcasting if the film is not in color. 1961 was the last year in which the majority of Hollywood films were released in black and white.

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