A worker at the base took video of the light before dawn and says it started out as a small light in the sky, but grew into a spectacular light show. It was a circular light that seemed to disappear in a black hole.
Kristoffer Rakoczy put his video on the Internet, which was closely examined by Norwegian space and defense officials.
Both agencies believe the light comes from an unsuccessful launch of a Russian ballistic missile, launched either from a submarine or a ship.
There has been no confirmation from Russia.
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