Year of 2017


042717
Crepuscular rays over the Saronic Gulf, Greece

This image of sunbeams shining through breaks in the cloud cover was captured over the Saronic Gulf off the coast of Greece. You don’t need to travel to the Aegean Sea to see this phenomenon in action, as it happens all over the world. Crepuscular rays, as they’re called, are more likely to happen at dawn or twilight, when the shade and color of the horizon and clouds usually contrast more visibly with sunlight. The ancient Greeks called crepuscular rays ‘sun drawing water’—reflecting their belief that the rays of light were pulling water up from the sea.



Crepuscular rays /krᵻˈpʌskjᵿlər/ (also known as sunbeams, Sun rays or God rays), in atmospheric optics, are rays of sunlight that appear to radiate from the point in the sky where the sun is located. These rays, which stream through gaps in clouds (particularly stratocumulus) or between other objects, are columns of sunlit air separated by darker cloud-shadowed regions.

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