#semiotics

Arecibo message : アレシボ・メッセージ
Arecibo message : アレシボ・メッセージ

The Arecibo message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo radio telescope in Puerto Rico on 16 November 1974. The message was aimed at the current location of globular star cluster M13 some 25,000 light…

PATREON
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