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by rustylypps
Mon Jan 12, 2009 10:00 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
Replies: 176
Views: 191357

Re: Unusual Light Pillars Over Latvia (2009 January 12)

I believe that the fan effect is a lens effect. the culmination point is the most concentrated light at the top of the pillar and after culmination the light fans out!