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Proton Aurora

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

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Auroral emissions are excited principally by electron precipitation. We know that some of the auroral emissions are produced by precipitating protons but up until now have never observed a "proton aurora" from space. IMAGE is the first spacecraft to measure the proton aurora.

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