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 in recent years. 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. Recently, new photogenic auroras have accompanied new geomagnetic storms.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: aurora - corona - Norway - polyarnoe siyanie Publikacii so slovami: aurora - corona - Norway - polyarnoe siyanie
Sm. takzhe: Raznocvetnoe polyarnoe siyanie nad Novoi Zelandiei Severnoe siyanie nad Ital'yanskimi Al'pami Severnoe siyanie v Zapadnoi Virginii Yuzhnoe polyarnoe siyanie i Mezhdunarodnaya kosmicheskaya stanciya Pozdnyaya noch' v Vallentune Severnoe siyanie, stabil'noe krasnoe polyarnoe siyanie i Mlechnyi Put' Severnoe siyanie nad gorami Karkonoshe Vse publikacii na tu zhe temu >>