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- Mon Jan 12, 2009 7:15 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
- Replies: 176
- Views: 188012
Re: Unusual Light Pillars Over Latvia (2009 January 12)
Could it be that the crystals in the sky at the lower level are in a cloud form thus creating (if viewed from above), a gaseous lens. As the light travels upward, the increasing altitude lowers the pressure of the cloud of crystals and helps create a curvature of light. I also think the curvature th...