This incredible display isn’t some a futuristic domed city in an alien icy landscape or an artist’s concept of magnetic fields, but a very real optical phenomena here on Earth. Here’s the science ...
Sky watcher captures 'cosmic chalice' phenomenon in the sky as sun rises A sky watcher in Olympic Valley, California, caught a beautiful and rare weather phenomenon called an upper tangent arc as the ...
A classic 22 degree sun halo captured over Cookstown during lockdown - the enhancement within the upper regions of the halo is called an Upper Tangent Arc ( UTA) A few weeks ago we had several ...
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