bn:17179981n
Noun Concept
Categories: Pages with missing ISBNs, Fringe theories, Articles with short description, UFO conspiracy theories, Ancient astronaut speculation
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