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Humans’ “first contact” with aliens is likely to be with a civilization much more technologically advanced than ours, according to a new NASA-funded study into the search for intelligent extraterrestrial life (SETI). 

According to the paper published in the specialized journal Acta Astronautica, the easiest way to detect extraterrestrial civilizations is by searching for “technosignatures”—evidence for the use of technology or industrial activity in other parts of the Universe.

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