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The top documents tagged [term ufo]
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EXTRA TERRESTRIAL LIFE. EXTRATERRESTRIALS became a widespread phenomenon In the wake of the Roswell UFO incident in 1947, conspiracy theories on the
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Ufos
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The term "UFO" (or "UFOB") was officially created in 1953 by the United States Air Force (USAF) to replace the more popular terms because of the variety
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An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not readily identifiable as any known
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