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- Mon Jan 19, 2009 4:26 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
- Replies: 176
- Views: 190820
Re: Unusual Light Pillars Over Latvia (2009 January 12)
I believe it has to do with the density of the ice crystals ... I would think that the ice crystals slow down in the thicker air closer to the ground and therefor bunch up (akin to a layer of fog blanketing the ground), being more dense and reflecting a thinner column of light down low... but at a c...