The Search for Extraterrestrial Intelligence is an exploratory science that seeks evidence of life in the universe by looking for some signature of its technology.
In 1974 a message carrying basic information about humanity and Earth was sent to the globular star cluster M13 in the hope that extraterrestrial intelligence might receive and decipher it.
The message was broadcast into space a single time,but today, after 43 years...
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Last Modified: Jan 9, 2019
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