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  2. Coenonympha arcania - Wikipedia

    en.wikipedia.org/wiki/Coenonympha_arcania

    It resembles Coenonympha hero.Seitz describes it thus C. arcania L. (48 d). Forewing fiery reddish yellow with black distal margin, hindwing dark brown. Easily recognised by the underside of the hindwing, whose marginal portion is occupied by a broad white band, which in the nymotypical form interrupts the row of ocelli below the apical eye, the latter therefore appearing to be placed on the ...

  3. Morpho polyphemus - Wikipedia

    en.wikipedia.org/wiki/Morpho_polyphemus

    As Morpho luna|luna Butler has described an aberration from Mexico with the black spots on both wings unusually well developed. The flight of polyphemus is extremely rapid and irregular, and according to Godman and Salvin the species ascends in Guatemala to 4000 ft. [1200 m] and is often met with near the ground in villages or also high up ...

  4. Aberration (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Aberration_(astronomy)

    In about 200 million years, the Sun circles the galactic center, whose measured location is near right ascension (α = 266.4°) and declination (δ = −29.0°). [12]: 2 The constant, unobservable, effect of the solar system's motion around the galactic center has been computed variously as 150 [14]: 743 or 165 [12]: 1 arcseconds.

  5. List of locations in Pirates of the Caribbean - Wikipedia

    en.wikipedia.org/wiki/List_of_locations_in...

    At sunset, the crew capsizes the ship; this triggers a green flash and returns the Pearl to the world of the living, effectively reviving Jack. The arid plain where the Black Pearl is beached was filmed at the Bonneville Salt Flats in Utah. The shore where the Pearl re-enters the ocean was filmed at the Guadalupe-Nipomo Dunes in California. [1]

  6. Optical aberration - Wikipedia

    en.wikipedia.org/wiki/Optical_aberration

    In optics, aberration is a property of optical systems, such as lenses, that causes light to be spread out over some region of space rather than focused to a point. [1] Aberrations cause the image formed by a lens to be blurred or distorted, with the nature of the distortion depending on the type of aberration.

  7. Aberration - Wikipedia

    en.wikipedia.org/wiki/Aberration

    Astronomical aberration, phenomenon wherein objects appear to move about their true positions in the sky; Chromatic aberration, failure of a lens to focus all colors on the same point; Defocus aberration, in which an image is out of focus; Optical aberration, an imperfection in image formation by an optical system

  8. Chromostereopsis - Wikipedia

    en.wikipedia.org/wiki/Chromostereopsis

    Blue–red contrast demonstrating depth perception effects 3 Layers of depths "Rivers, Valleys & Mountains". Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey images.

  9. Servilia's pearl - Wikipedia

    en.wikipedia.org/wiki/Servilia's_pearl

    Servilia's pearl was a pearl given by Julius Caesar to his favourite mistress Servilia.It was described by imperial biographer Suetonius to be a lone (uniones, meaning "singleton") [1] large black pearl [2] worth six million sesterces (approximately 1.5 billion dollars in 2019 value), making it perhaps the most valuable gem of all time.