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Ball lightning is photographed very rarely, and details of witness accounts can vary widely. Many of the properties observed in ball lightning accounts conflict with each other, and it is very possible that several different phenomena are being incorrectly grouped together. It is also possible that some photos are fakes.
There have been some reports of production of a similar phenomenon in the laboratory, but some still disagree on whether it is the same phenomenon.
O prie Analysis pateikiami bent keturi skirtingi paaiškinimai.
--Nomad 16:24, 2007 Gegužės 27 (EEST)