November 5, 2023
Every birthday is a reminder that you are made of the same material as the stars overhead — carbon, nitrogen, oxygen, all cooked in stellar...
Creature Aurora Over Norway
Birthday · November 5, 2023
A little universe, just for you
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APOD published November 5, 2023. Credit: Ole C. Salomonsen (Arctic Light Photo). A publication-date match, not a photo taken on your date. Independent of NASA.
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 Tromsø, Norway formed an also eerie foreground. Frequently, new photogenic auroras accompany new geomagnetic storms. Almost Hyperspace: Random APOD Generator
Image credit: Ole C. Salomonsen (Arctic Light Photo)