Heiligenschein, which translates to "holy light" in German, refers to an optical phenomenon that occurs when a light source, such as the sun, shines on dewdrops or mist with a dark background. This effect creates a bright halo or light ring around the shadow of an object, usually seen in nature. The phenomenon is due to the interaction of light with the spherical shape of the water droplets, which acts like tiny lenses.
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