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Mock Sun. An effect caused by ice crystals in Earth's atmosphere which refract sunlight and cause the appearance of two diffuse patches of light 22° either side of the Sun.
They are also called "mock suns." The halo and the two sun dogs are produced as sunlight is reflected and refracted through tiny, flat ice crystals in the atmosphere.
Corona, Crepuscular Ray, Day, Eclipse, Elongation, Equinox, Faculae, Faint Early Sun Paradox, First Point in Aries, Green Flash, Heliographic Coordinates, Helioseismology, Inferior Conjunction, Lunar Eclipse, Mean Solar Time, Midnight, Mock Sun, ...
 See also: Magnetic Field, Astronomy, Earth, Lunar Eclipse, Night
  
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