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Looking West, at the Ocean, just at sunset when the last part of the Sun dips below the horizon, there's a brilliant green flash, similar in color to the green seen thru prisms. It lasts less than 1 second. A rarely~seen natural phenomena!
I was fortunate to see the Green Flash at the Cliff House at San Francisco, California. Only later did I learn that it's rare to see this!
by Starchylde May 28, 2016
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