The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 ...
Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.
A lab mistake led to self-forming spiral patterns on metal surfaces, revealing chemical-mechanical interactions.
Aliens, black holes and far-off galaxies were some of the suggested explanations for a spectacular spiral light which ...
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