A Weekend of Deep Sky Auroras in US April 2011
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.
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