Hundreds of people called the Norwegian Meteorological Institute to ask what it was.
Everything from anomalous Northern lights, to aliens and trans-dimensional wormhole was suggested.
The spiraling blue light was resulting from a failed test firing of a Russian Bulava missile.
At least six of 13 previous tests (as of 2009) also ended in failure.
Its not unusual for rocket launches to leave spectacular light trails over the sky.
There is actually a term that describes it.
Its called twilight phenomenon.
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LeeAnn Sunn-Wagner/Wikimedia
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