An amazing video of the Northern Lights, via http://blogs.discovermagazine.com/badastronomy/2012/01/28/real-time-footage-of-aurora-shows-them-dancing-and-shimmering/ …
I've seen auroras, once, a relatively feeble display, but it was amazing. Seeing this (taken in Tromso, Norway, 300 km north of the Arctic Circle) would be mindblowing. #ddtb
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