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  2. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    Named after its discoverer, Eric Lindsay, his professor Harlow Shapley, and its nature as a ring galaxy . The ring is the result of collision with another galaxy. Little Sombrero Galaxy. Pegasus. Named after its similarity to the Sombrero Galaxy . Malin 1. Coma Berenices. Discovered and named by David Malin .

  3. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both.

  4. Shades of purple - Wikipedia

    en.wikipedia.org/wiki/Shades_of_purple

    Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...

  5. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    A fictitious color or imaginary color is a point in a color space that corresponds to combinations of cone cell responses in one eye that cannot be produced by the eye in normal circumstances seeing any possible light spectrum. No physical object can have an imaginary color.

  6. Andromeda Galaxy - Wikipedia

    en.wikipedia.org/wiki/Andromeda_Galaxy

    Andromeda Galaxy. A visible light image of the Andromeda Galaxy. Messier 32 is to the left of the galactic nucleus and Messier 110 is at the bottom right. The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224.

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    • How 2023’s 'The Color Purple' Musical Compares to the Original 1985 Film
      How 2023’s 'The Color Purple' Musical Compares to the Original 1985 Film
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  7. Purple Earth hypothesis - Wikipedia

    en.wikipedia.org/wiki/Purple_Earth_hypothesis

    The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin -based chlorophyll, making the surface biosphere appear purplish ...

  8. List of colors by shade - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_by_shade

    Brown. Brown colors are dark or muted shades of reds, oranges, and yellows on the RGB and CMYK color schemes. In practice, browns are created by mixing two complementary colors from the RYB color scheme (combining all three primary colors). In theory, such combinations should produce black, but produce brown because most commercially available ...

  9. Line of purples - Wikipedia

    en.wikipedia.org/wiki/Line_of_purples

    Purple 5P for V = 3, C = 38 ×: ≈ 280° ≈ Chartreuse green: Electric purple 285° ≈ Harlequin Phlox 292° ⋮ Fuchsia / Magenta (sRGB secondary) 300° Green (sRGB primary) Shocking Pink 311° Green (traditional)/Emerald: Process magenta 320° ⋮ Magenta dye, ≈ Tyrian purple 327° ⋮ Rose 330° ≈ Spring green

  10. List of color spaces and their uses - Wikipedia

    en.wikipedia.org/wiki/List_of_color_spaces_and...

    Special-purpose color spaces. The rg chromaticity space is used in computer vision applications, and shows the color of light (red, yellow, green, etc.), but not its intensity (dark, bright). LMS color space (long, medium, short), a perceptual color space based on the response functions of the cones in the retina of the eye.

  11. RGB color spaces - Wikipedia

    en.wikipedia.org/wiki/RGB_color_spaces

    1931 CIE chromaticity diagram showing some RGB color spaces as defined by their chromaticity triangles. RGB color spaces are additive colorimetric color spaces specifying part of its absolute color space definition using the RGB color model.