Mysterious Light Display Leaves Norwegians And Astronomers Puzzled

From Popular Science:

A Russian missile test or a meteor remain the top guesses for a strange spiraling light phenomenon.

A bizarre spiraling light show over Norway has raised speculations ranging from a Russian rocket test to an odd meteoric display. The Norwegian Meteorological Institute remains unsure of the phenomenon's origins, but astronomers have said that it does not appear connected to the Aurora Borealis, also known as the Northern Lights.

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