What Were Those Lights In The Sky?

This morning many people in and around the Quad Cities saw strange beams of light in
the sky. Light pillars appear when artificial light or natural light bounces off the
facets of flat ice crystals wafting relatively close to the ground.

When the light source is close to the ground, the light pillar appears above the floating
crystals. When the light comes from the sun or moon, the light pillar can appear beneath
them, too, as the light refracts through the crystals.

This article explains it a little more.

 

 

 

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