Iridescent CloudsThe psychedelic colour effect is caused by the diffraction of sunlight through simi
Iridescent CloudsThe psychedelic colour effect is caused by the diffraction of sunlight through similar sized water droplets in the clouds, that split the rays into their spectral components. They are joined by an airplane contrail in this wonderful photo snapped near sunset close to Turin in Italy.LozImage credit: Piero Armando via EPOD -- source link
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