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Aurora Showing Geomagnetic Substorm

Target Name:  Earth's Aurora
Spacecraft:  IMAGE
Produced by:  NASA
Copyright: NASA Copyright Free Policy
Date Released: 31 May 2000

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Aurora are caused by the interaction of precipitating charged particles (electrons and ions) with the neutral gases of our atmosphere. Light from the Earth's aurora occur principally in two oval-shaped bands lying between ~65 and 75 degrees magnetic latitude and centered on the northern (aurora borealis) and southern (aurora australis) magnetic poles. IMAGE observes the aurora in several important wavelengths and has captured its first geomagnetic substorm. These observations are caused by precipitating electrons. This is a selected frame from a sequence which is available as a quicktime movie.

Copyright © 1995-2016 by Calvin J. Hamilton. All rights reserved.