bn:17179981n
Noun Concept
Categories: Articles with short description, All Wikipedia articles written in American English, Fringe theories, Alleged UFO-related entities, Hypotheses
EN
ancient astronaut hypothesis  ancient astronauts  paleocontact hypothesis  Ufos and the bible  Aliens built the pyramids
EN
A pseudo-scientific hypothesis that posits that intelligent extraterrestrial beings have visited Earth and made contact with humans in antiquity and prehistory. Open English WordNet
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EN
A pseudo-scientific hypothesis that posits that intelligent extraterrestrial beings have visited Earth and made contact with humans in antiquity and prehistory. Open English WordNet
Ancient astronauts refer to a pseudoscientific set of beliefs which holds that intelligent extraterrestrial beings visited Earth and made contact with humans in antiquity and prehistoric times. Wikipedia
Pseudo-scientific hypothesis that posits intelligent extraterrestrial beings have visited Earth Wikidata
EN
Sagan argued that while many legends, artifacts and purported out-of-place artifacts were cited in support of ancient astronaut theories, "very few require more than passing mention" and could be easily explained with more conventional theories. Open English WordNet