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A Whale of an Aurora over Swedish Forest

A Whale of an Aurora over Swedish Forest

Copyright: Göran Strand

What’s that in the sky? An aurora. A large coronal mass ejection occurred on our Sun earlier this month, throwing a cloud of fast-moving electrons, protons, and ions toward the Earth. Part of this cloud impacted our Earth’s magnetosphere and, bolstered by a sudden gap, resulted in spectacular auroras being seen at some high northern latitudes. Featured here is a particularly photogenic auroral corona captured above a forest in Sweden from a scenic perch overlooking the city of Östersund. To some, this shimmering green glow of recombining atmospheric oxygen might appear like a large whale, but feel free to share what it looks like to you. The unusually quiet Sun of the past few years has now passed. As our Sun now approaches a solar maximum in its 11-year solar magnetic cycle, dramatic auroras like this are sure to continue. Open Science: Browse 2,700+ codes in the Astrophysics Source Code Library

Courtesy of NASA Astronomy Picture of the Day

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Ken & Judy O
Ken & Judy O' Neill
8 months ago

The magic green glow.

Garrison R
Garrison R
6 months ago

That is amazing. I saw the photo on some homepage recommended so I had to dig it up and see who took it and to see a full resolution copy. Lol I’ll admit I took it for my new permanent wallpaper on my cell. Nice work thank you for the… Read more »