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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
Tromsö,
Norway
formed an also
eerie foreground.
Frequently, new photogenic auroras accompany new
geomagnetic storms.
Almost Hyperspace:
Random APOD Generator
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: aurora - Norway
Publications with words: aurora - Norway
See also: