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An unidentified flying object (UFO), or unidentified anomalous phenomenon (UAP), is any perceived airborne, submerged or transmedium 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, sometimes written 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 an 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 1949. 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 sighting, filmed by local baseball coach Nick Mariana, is believed to be among the first ever motion picture footage of what came to be called an unidentified flying object (UFO). The U.S. Air Force, after a short investigation, concluded that what Mariana had actually filmed were the reflections of two F-94 jet fighters, a claim that the Air Force would later retract.
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 Sweden.
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, or flying disc, is a purported disc-shaped UFO. The term was coined in 1947 by the news media for the objects pilot Kenneth Arnold claimed flew alongside his airplane above Washington State. Newspapers reported Arnold's story with speed estimates implausible for airplanes of the period. The story spurred a wave of hundreds of sightings across the United States, including the Roswell incident and Flight 105 UFO sighting. The concept quickly spread to other countries. Early reports speculated about secret military technology, but flying saucers became synonymous with aliens by 1950. The term has gradually been supplanted by the more general military terms unidentified flying object (UFO) and unidentified anomalous phenomena (UAP).
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.
Unidentified flying objects have been reported by astronauts while in space. These sightings have been claimed as evidence for extraterrestrial life by ufologists.
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
