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heiligenschein
EntityQ1519436· pop 14· linked from 31 articles

heiligenschein

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Also known as hotspot, opposition effect, Cellini's halo

250px|right|thumb|Heiligenschein, or hotspot, around the shadow of a hot-air balloon cast on a field of standing crops ([[Oxfordshire, England)]]

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Opposition effect
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250px|right|thumb|Heiligenschein, or hotspot, around the shadow of a hot-air balloon cast on a field of standing crops ([[Oxfordshire, England)]]

(; ) is an optical phenomenon in which a bright spot appears around the shadow of the viewer's head in the presence of dew. In photogrammetry and remote sensing, it is more commonly known as the hotspot. It is also occasionally known as '''Cellini's halo''' after the Italian artist and writer Benvenuto Cellini (15001571), who described the phenomenon in his memoirs in 1562.

Excerpted from Wikipedia’s “heiligenschein” article, available under the CC BY-SA 4.0 licence.

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