Ball lightning is a rare and unexplained phenomenon described as luminescent, spherical objects that vary from pea-sized to several meters in diameter. Though usually associated with thunderstorms, the observed phenomenon is reported to last considerably longer than the split-second flash of a lightning bolt, and is a phenomenon distinct from St. Elmo's fire.

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Not who you're looking for? Others named ball lightning: 2004 hard science fiction novel by Liu Cixin · 1979 film directed by Ladislav Smoljak and Zdeněk Podskalský

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