Sunday, May 13, 2012

APOD 4.7

May 10, 2012: Green Flash and Super Moon

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     This photograph (of two seconds long exposure) captures the largest full moon of 2012 (green) rising over a harbor on the coast of Brittany, France.  The green flash of the supermoon was caused by atmospheric refractions and atmospheric temperature gradients common with a sea horizon.

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