Sunday, April 03, 2011

Deep Sky Auroras over the USA

Source - Space Weather News for April 3, 2011:

DEEP SKY AURORAS: A solar wind stream hit Earth's magnetic field over the weekend, sending a wave of "deep sky auroras" over northern-tier US states. The lights were pale-white or even invisible to the naked eye, but digital cameras revealed spectacular colors and luminous shapes above Wisconsin, Michigan, Minnesota, and elsewhere. Visit for images and more information about this phenomenon.

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