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Thursday, December 10, 2009

Spirograph in the Sky

What was that weird light spiral in the sky above Norway? Some sort of cheesy time-tunnel effect from a 1950 sci-fi movie? A promotion for the "V" miniseries on ABC? A once-in-forever refraction of the Northern Lights? Some crazy photoshop job?

It turns out there's a simple explanation for it, which planetary geologist Emily Lakdawalla -- my new go-to space consultant -- provided today on my KTRS/St. Louis show.

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Here's the effect captured on video...