What’s happening over the horizon? Intense anticrepuscular rays beam the sky of Germany

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What’s happening over the horizon?

They call them anticrepuscular rays and the scene appears somehow supernatural.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
Anticrepuscular rays in the sky of Germany on June 14 2017. via VK.com

To understand anticrepuscular rays, start by picturing common crepuscular rays that are seen any time that sunlight pours though scattered clouds.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
via VK.com

Now although sunlight indeed travels along straight lines, the projections of these lines onto the spherical sky are great circles.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
via VK.com

Therefore, the crepuscular rays from a setting (or rising) sun will appear to re-converge on the other side of the sky.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
via VK.com

At the anti-solar point 180 degrees around from the Sun, they are referred to as anticrepuscular rays.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
via VK.com

Featured here is a particularly striking display of anticrepuscular rays photographed on June 14, 2017 in Germany.

anticrepuscular rays picture, anticrepuscular rays june 2017, Anticrepuscular rays in the sky of Germany on June 14 2017
via VK.com

Mysterious sky phenomena

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