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by enorbet2
Sat Feb 07, 2009 12:11 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
Replies: 176
Views: 191233

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

I'm not going to be much help with the answer because I see light, other than that generated by lasers, having the natural property of "fanning out". I am much more baffled by how it is possible that the pillars appear to be at all coherent and fairly constant in width for such a long dist...