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Communication with extraterrestrial intelligence
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The communication with extraterrestrial intelligence (CETI) is a branch of the search for extraterrestrial intelligence (SETI) that focuses on composing and deciphering interstellar messages that theoretically could be understood by another technological civilization. The best-known CETI experiment of its kind was the 1974 Arecibo message composed by Frank Drake.
Example of a high-resolution pictorial message to potential eti at Proxima Centauri.
Example of a high-resolution pictorial message to potential eti at Proxima Centauri.
Frank Drake
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Frank Donald Drake was an American astrophysicist and astrobiologist.
Drake speaking at Cornell University in 2017
Drake speaking at Cornell University in 2017