moon pillar

moon pillar

noun Astronomy.
a halo phenomenon in which a vertical streak of light appears above and below the moon, believed to be caused by the reflection of moonlight by ice crystals with vertical axes.
Compare sun pillar.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Moon pillar is always a great word to know.
So is eclipse. Does it mean:
one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation such as radio waves with a high degree of regularity
the obscuring of the light of the moon by the intervention of the earth between it and the sun, a lunar eclipse, or the obscuring of the light of the sun by the intervention of the moon between it and a point on the earth, a solar eclipse
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