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Sky Voltage | by David Cartier
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Sky Voltage

A high voltage moment during the CME generated Auroral display of March 9, viewed from the Alaska Hwy. near Haines Jct., Yukon.

As those of you kind enough to frequent this Flickr stream may have noticed, I spend an inordinate amount of time watching the sky. When you do this you can't help but consider the science behind such gorgeous phenomena. Although we know much more about the cause of the Aurora now than we did a few decades ago, there is still a great deal that we don't know. We know only the general outlines ... the detailed mechanics of the variability in the Aurora's behavior still remain largely in the realm of guesswork. On my recent trip up to the Arctic Circle, I had many good conversations with Rasoul Khabirzad, a solar physicist ... We agreed that there is much more to be learned about the Aurora than there is hard won certain knowledge, and that is a beautiful thing ....

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Taken on March 10, 2011