A "Jupiter-sized sun spot" right now
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by
DZM
admin
People here at the Adler Planetarium are very excited about AR2192.
http://www.slate.com/blogs/bad_astronomy/2014/10/22/sunspot_2192_x_flare_seen_this_morning.html
"Today’s flare was an X 1.6, which is fairly powerful. And by 'fairly,' I mean it exploded with the energy of something like a million times the combined yield of every single nuclear weapon on Earth."
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