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An unidentified flying object (UFO), or unidentified aerial phenomenon (UAP), is any perceived aerial phenomenon that cannot be immediately identified or explained. Upon investigation, most UFOs are identified as known objects or atmospheric phenomena, while a small number remain unexplained.
Ufology is the investigation of unidentified flying objects (UFOs) by people who believe that they may be of extraordinary origins. While there are instances of government, private, and fringe science investigations of UFOs, ufology is generally regarded by skeptics and science educators as a canonical example of pseudoscience.
Project Blue Book was the code name for the systematic study of unidentified flying objects by the United States Air Force from March 1952 to its termination on December 17, 1969. The project, headquartered at Wright-Patterson Air Force Base, Ohio, was initially directed by Captain Edward J. Ruppelt and followed projects of a similar nature such as Project Sign established in 1947, and Project Grudge in 1948. Project Blue Book had two goals, namely, to determine if UFOs were a threat to national security, and to scientifically analyze UFO-related data.
The Mariana UFO incident occurred in August 1950 in Great Falls, Montana. The film footage of the sighting is believed to be among the first ever taken of what came to be called an unidentified flying object. The footage was investigated by the U.S. Air Force, and initially found to be reflections from two F-94 jet fighters, which was later retracted.
Identifying unidentified flying objects (UFOs) is a difficult task due to the normally poor quality of the evidence provided by those who report sighting the unknown object. Observations and subsequent reporting are often made by those untrained in astronomy, atmospheric phenomena, aeronautics, physics, and perception. Nevertheless, most officially investigated UFO sightings, such as from the U.S. Air Force's Project Blue Book, have been identified as being due to honest misidentifications of natural phenomena, aircraft, or other prosaic explanations. In early U.S. Air Force attempts to explain UFO sightings, unexplained sightings routinely numbered over one in five reports. However, in early 1953, right after the CIA's Robertson Panel, percentages of unexplained sightings dropped precipitously, usually being only a few percent in any given year. When Project Blue Book closed down in 1970, only 6% of all cases were classified as being truly unidentified.
This is a list of alleged sightings of unidentified flying objects or UFOs in Iran.
This article is a list of UFO sightings that were reported in Norway.
This is a list of alleged sightings of unidentified flying objects or UFOs in Mexico.
This is a list of alleged sightings of unidentified flying objects or UFOs in Italy.
This is a list of sightings of alleged UFOs in Australia.
This is a list of notable alleged sightings of unidentified flying objects (UFOs) in the United Kingdom. Many more sightings have become known since the gradual release, between 2008 and 2013, of the Ministry of Defence's UFO sighting reports by the National Archives. In recent years, there have been many sightings of groups of slowly moving lights in the night sky, which can be easily explained as Chinese lanterns. Undertaken between 1997 and 2000, Project Condign concluded that all the investigated sightings of unidentified aerial phenomena in the UK could be attributed to misidentified but explicable objects, or poorly understood natural phenomena.
Below is a partial list of alleged sightings of unidentified flying objects or UFOs in Canada.
This is a list of alleged sightings of unidentified flying objects or UFOs in China.
A flying saucer is a descriptive term for a type of flying craft having a disc or saucer-shaped body, commonly used generically to refer to an anomalous flying object. The term was coined in 1947 but has generally been supplanted since 1952 by the United States Air Force term unidentified flying objects. Early reported sightings of unknown "flying saucers" usually described them as silver or metallic, sometimes reported as covered with navigation lights or surrounded with a glowing light, hovering or moving rapidly, either alone or in tight formations with other similar craft, and exhibiting high maneuverability.
This is a list of alleged sightings of unidentified flying objects or UFOs in Belgium.
This is a list of alleged sightings of UFOs in India:
UFO sightings in outer space are sightings of unidentified flying objects reported by astronauts while in space that they could not explain at the time. These sightings have been claimed as evidence for alien visits by ufologists.
The Flight 105 UFO sighting occurred on July 4, 1947 when three crew members aboard a United Airlines flight reported seeing multiple unidentified objects in the skies over the Pacific Northwest. A week prior, private pilot Kenneth Arnold had reported seeing similar objects nearby -- a sighting that was followed by nearly 800 "copycat" reports during the summer of 1947. Four days after the Flight 105 sighting, Roswell Army Air Field issued a press release stating that they had recovered a "flying disc"; that statement was quickly retracted after the crashed object was identified as a conventional weather balloon. The following month, on July 29, an air crew flying the same route also reported unidentified objects.
The Report on Unidentified Flying Objects is a 1956 book by then-retired Air Force UFO investigator Edward J. Ruppelt, detailing his experience running Project Bluebook. The book was noted for its suggestion that a few UFO sightings might be linked to spikes of atomic radiation. Contemporary media summarized four topics discussed in the book:
References
- ↑ UFOs or Space Rubbish? Soviet News Reports Differ Associated Press, April 1985
