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Brocken Spectra | by DeviantOptiks
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Brocken Spectra


Brocken Spectra (aka mountain spectra)! My first time seeing this optical phenomenon was on a recent sunrise hike. In the center of the circles is my shadow cast on the clouds by the sun behind me. My head is surrounded by a halo of “rings of glory”. A glory resembles a saint’s halo (not particularly fitting for a metalhead like me…) and is believed to be caused by light tunneling through air inside miniscule water droplets and then being emitted backwards due to resonance effects. In order to see this the clouds actually have to be below you because the center of glory is antisolar . So a 10^4 mountain is a pretty good spot to experience some cool optics.

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Taken on July 10, 2016