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Mysterious blue spiral spotted over European skies. What was it? (photos)
Was the cosmic whirlpool a spiral galaxy, a UFO, or something much more down to Earth?
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Or read this on Space.comGet the latest Science News and Discoveries
Was the cosmic whirlpool a spiral galaxy, a UFO, or something much more down to Earth?
None
Or read this on Space.comRead more on:
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