Tag: UFO
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On UFOs and Extraterrestrials
Are there extraterrestrial civilisations? Have they visited us? Are UFOs of extraterrestrial origin? Many people are convinced that we have been visited by aliens time and again. It is reasonable to harbour doubts about such ideas. UFO = Extraterrestrial? A UFO (Unidentified Flying Object) is, by definition¹, an unidentifiable flying object which, due to the…