ice Marvell

Ethereal ‘Night-Shining’ Clouds Illuminate Swedish Skies

In a dazzling display of atmospheric artistry, the highest clouds in Earth’s atmosphere, known as noctilucent clouds, put on a spectacular show over Sweden.

Captured in early August, these wispy, electric-blue formations offer a glimpse into a phenomenon that occurs when sunlight, still illuminating the upper atmosphere long after sunset on the ground, strikes clouds nearly 50 miles above the surface.

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