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by fred60
Wed Feb 18, 2009 12:28 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Unusual Red Glow Over Minnesota (2009 Feb 17)
Replies: 201
Views: 47545

Re: Unusual Red Glow Over Minnesota (2009 February 17)

From my experience in flying I have seen conditions that probably could cause this. It is not totally unusual to have a very thin layer of ice crystals, no thicker than about 1/16 inch, that when you descend or climb through them you can actually watch the line pass the windshield. You can actually ...