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Education and the UFO Phenomenon Thornton Page
Astronomers Views on UFOs Franklin Roach
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Air Force airborne radar aircraft Allen Hynek altitude analysis angular anomalous propagation appeared astronomers atmosphere balloon believe Bentwaters Bluebook files bright Carl Sagan clouds Condon Report detailed detected diameter disappeared discussion disk distance evidence explanation extraterrestrial extraterrestrial hypothesis feet film flying saucers ground radar Haneda hoaxes Hynek hypothesis identified incident indicated intelligence interest interstellar investigation involved ject Kirtland Lakenheath light look luminous source McDonald Menzel meteors Michel miles minutes motion moving NICAP night northeast optical orbit phenomena photographic physical pilot planets port Project Bluebook puzzling radar radar echoes radar sightings radio relative bearing scientific scientists scope seemed seen signal speed stars station strange symposium target Thornton Page tion Tokyo Bay Tremonton UFO phenomenon UFO problem UFO reports UFO sightings UFO's UFOlogists unexplained Unidentified Flying Objects USAF Utah Venus witnesses