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APOD: 2023 November 5 ┴ Creature Aurora Over Norway
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APOD: 2023 November 5 ┴ Creature Aurora Over Norway
Credit & Copyright: Ole C. Salomonsen (Arctic Light Photo)
Explanation: It was Halloween and the sky looked like a creature. Exactly which creature, the astrophotographer was unsure (but possibly you can suggest one). Exactly what caused this eerie apparition in 2013 was sure: one of the best auroral displays that year. This spectacular aurora had an unusually high degree of detail. Pictured here, the vivid green and purple auroral colors are caused by high atmospheric oxygen and nitrogen reacting to a burst of incoming electrons. Birch trees in Troms÷, Norway formed an also eerie foreground. Frequently, new photogenic auroras accompany new geomagnetic storms.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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Based on Astronomy Picture Of the Day

Publications with keywords: aurora - Norway
Publications with words: aurora - Norway
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