bibliolater , to science group
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What causes the aurora borealis?

length: fifty nine seconds.

https://www.youtube.com/watch?v=ez7K0DCbOF4

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appassionato , to photography group
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Red Aurora over Poland

Northern lights don't usually reach this far south. Magnetic chaos in the Sun's huge Active Region 3664, however, produced a surface explosion that sent a burst of electrons, protons, and more massive, charged nuclei into the Solar System.

Image Credit & Copyright: Mariusz Durlej

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A few days later, that coronal mass ejection (CME) impacted the Earth and triggered auroras that are being reported unusually far from our planet's north and south poles. The free sky show might not be over -- the sunspot rich AR3664 has ejected even more CMEs that might also impact the Earth tonight or tomorrow. That active region is now near the Sun's edge, though, and will soon be rotating away from the Earth. Pictured, a red and rayed aurora was captured in a single 6-second exposure from Racibórz, Poland early last night. The photographer's friend, seeing an aurora for the first time, is visible in the distance also taking images of the beautifully colorful nighttime sky.
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    • appassionato , to photography group
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    Tara, Omsk region, Russia May 11, 2024. REUTERS/Alexey Malgavko

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    appassionato , to photography group
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    The Roaches near Leek, Staffordshire, Britain, May 10, 2024. REUTERS/Carl Recine

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    appassionato , to photography group
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    "Northern Lights" //© Guilherme Mesquita

    https://www.instagram.com/p/CwsR1ckuWW1/

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    SilverRainbow , to photography group
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    Cloudy pillars of strong aurora, Berufjörður in eastern .

    Please read the ALT tag for more...
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    A photo of the sky at night. Stars can be seen behind columns of green aurora, seemingly stretching up to infinity. It looks like a very fine gauze curtain lit from below by soft green light, moving gently in a draught of air. It's behind a layer of low cloud so that part of its beauty is obscured. At the very bottom of the shot is the dark silhouette of mountains, suggesting scale.
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