Glory / “halo” – an optical phenomenon, in a form of circle of white / colored light (like a circle of light around the head of a saint), surrounding the shadow of the head of observer (or of a plane airbone). It is caused by refraction of the sunlight or moonlight through ice crystals (water droplets in mist or clouds) in the atmosphere. Glory can also be formed around the sun, moon and or other luminous body.

See also:

Glory | Glory above Czechia | Glory and the Moon

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