A Brocken specter is an optical phenomenon sometimes seen at high altitudes, when the observer is between the sun and a mass of clouds. The figures of the observer and surrounding objects are seen projected on the clouds, greatly enlarged and often encircled by a colorful halo. The phenomenon, named after a peak in Germany's Harz Mountains where it is often observed, can be seen on misty mountainsides, in cloud banks, and even from airplanes. What causes these shadows to appear so magnified? Discussfrom Article of the Day http://ift.tt/2s3u2bD
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