New space research settles years of scientific debate

Scientists have long understood that the ‘diffuse aurora’ is caused by electrons striking the upper atmosphere. However, the electrons are normally trapped much higher up in the Earth’s magnetic field through a long chain of events starting with the Sun.![][1]

[1]: http://feeds.feedburner.com/~r/spaceref/jext/~4/7tuKhdFnULQ

URL: http://feedproxy.google.com/~r/spaceref/jext/~3/7tuKhdFnULQ/viewpr.rss.html

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