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UFO World Map

Caelum Incognitum — The interactive encyclopedia of ufology

SETI

Astronomy, exobiology & SETI

Acronym for the Search for Extraterrestrial Intelligence. Born in 1960 with Frank Drake’s Project Ozma, it listens to the sky for artificial signals, first radio then optical. It differs from ufology: it looks for distant signals with scientific instruments, not for visitors.

See also

Wikipedia

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