Initial data
Initial information from sources or from an eyewitness
Incident date:
08.1958 12:00
Location:
Чугуев
63
A. Lutskevich:
In August 1958, the city of Chuguev of the Kharkov area at 12 o'clock I saw on the background of clouds ring, like tires. Movement from East to West. No trace of him remained.
Translated by «Yandex.Translator»
Hypotheses
List of versions containing features matching the eyewitness descriptions or material evidence
Vortex ring
Toroidal vortex (also vortex ring) is a phenomenon in which the region of rotating fluid moving through the same or a different area of a fluid when the flow pattern takes the shape of a toroid (donut).
Investigation
Versions testing, their confirmation or refutation. Additional information, notes during the study of materials
Not enough information
Resume
The most likely explanation. The version, confirmed by the investigation
Not enough information
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