Active SETI

Attempt to send messages to intelligent extraterrestrials / From Wikipedia, the free encyclopedia

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Active SETI (Active Search for Extra-Terrestrial Intelligence) is the attempt to send messages to intelligent extraterrestrial life. Active SETI messages are predominantly sent in the form of radio signals. Physical messages like that of the Pioneer plaque may also be considered an active SETI message. Active SETI is also known as METI (Messaging to Extra-Terrestrial Intelligence). [1][2]

A representation of the 1679-bit Arecibo message.

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