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- Thu Jan 22, 2009 12:46 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 noticed the icing on the trees, and the sodium vapor image had a purple diagonal line radiating up-left from the bottom (source?). Even if the lamps were coated with ice, most lamps have some sort of structure blocking the direct upward projection of the light, so therefore, I believe the light is...