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Friday, February 23, 2018

Going down and going green

Recent weather conditions (cold and clear) have created great conditions for green flashes.  Here's one on 23 February 2018:


John W. Wall said...

Nice! What's the physics behind that?

Jackie Sones said...

Hi, John,

Well, I don't feel knowledgeable enough to explain it myself, but when I first wrote about a green flash in 2013 (link below), I read quite a bit online. This web site has very helpful descriptions and explanations:


And here's my first post about green flashes from December 2013:


:) Jackie