Ufology
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Ufology, sometimes written UFOlogy, is the investigation of unidentified flying objects by people who believe that they may be of extraordinary origins. While there are instances of government, privat
A Swedish Air Force officer searches for a "ghost rocket" in Lake Kölmjärv, Norrland, Sweden, in July 1946.
Josef Allen Hynek (left) and Jacques Vallée
Unidentified flying object
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An unidentified flying object is an object or phenomenon seen in the sky but not yet identified or explained. The term was coined when United States Air Force investigations into flying saucers found
Ufology
…Ufology, sometimes written UFOlogy (US: or UK: ), is the investigation of unidentified flying objects (UFOs) by people who believe that they may be of extraordinary origins (most frequently of extraterrestrial alien visitors). While there are instances…
A Fata Morgana, a type of mirage in which objects located below the astronomical horizon appear to be hovering in the sky just above the horizon, may be responsible for some UFO sightings.
Twilight phenomenon from a Falcon 9 rocket launch
The celestial phenomenon over Basel in 1566.
1561 celestial phenomenon over Nuremberg as printed in an illustrated news notice.