Sun pillar. This optical effect of light above the Sun is most commonly seen near sunrise or sunset. The pillar may extend up to 20 arc-degrees above the Sun,and is caused by reflection of sunlight from the tops and bottoms of tabular ice crystals which are falling with their principal axes aligned vertically | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PEKKA PARVIAINEN |
Taille de l’image : | 3575 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |