December 23, 2012 2:54
Website "astronomical image of the day» (Astronomy Picture of the Day) — a joint project of NASA and Michigan Technological University — continues to make amazing images of various natural phenomena.
We have already published the image falling meteors, the moon's shadow and "trees" on Mars. Now comes the so-called "sun pillar". The photograph was taken last week near Östersund in central Sweden.
As explained by the "Wikipedia", solar, or light, pole — one of the most frequent types of halo, an optical effect which is a vertical streak of light extending from the sun during its sunset or sunrise. The phenomenon is called flat or columnar hexagonal ice crystals with near horizontal parallel planar surfaces.
In addition, the light poles are often formed around the moon, city lights and other bright light sources. Most often light poles observed in the cold season.