Brocken Spectre

A Brocken spectre, also called Brocken bow, mountain spectre, or spectre of the Brocken, is the magnified shadow of an observer cast in midair upon any type of cloud opposite a strong light source. The figure's head can be surrounded by a bright area called Heiligenschein, or halo-like rings of rainbow-coloured light forming a glory, which appear opposite the Sun's direction when uniformly sized water droplets in clouds refract and backscatter sunlight.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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