51Թ

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sun pillar

noun

Astronomy.
  1. a halo phenomenon in which a vertical streak of light appears above and below the sun, believed to be caused by the reflection of sunlight by ice crystals with vertical axes.


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51Թ History and Origins

Origin of sun pillar1

First recorded in 1900–05
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Example Sentences

Examples have not been reviewed.

An unusual phenomenon known as a sun pillar forms between above the sea ice on the Chukchi Sea.

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