Forget the Green Lantern: here's the Green Flash

Bad Astronomy
By Phil Plait
May 3, 2011 4:00 PMNov 19, 2019 11:43 PM

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I've never seen a green flash: the flare of green light that suddenly appears at the top of the Sun moments before sunset. Pictures on the web abound, but seeing it for yourself is a rare event. So I was astonished to see this amazing series of shots from photographer Gerhard Hüdepohl showing a green flash from the Moon!

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