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Technosignature

1 article · Astronomy & Space · Wikipedia

A technosignature is any detectable sign of technology built or used by an alien civilization, such as radio signals, artificial structures, or waste heat from advanced machines. Scientists search for technosignatures as a way to discover whether intelligent life exists elsewhere in the universe, since finding evidence of alien technology would be one of the most profound discoveries in human history. Unlike searching for natural biological signals, technosignature research focuses on the artificial creations and byproducts that advanced civilizations might leave behind or broadcast into space.

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