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The Overlooked Radio Frequencies in the Search for Aliens
Scientists are expanding the Search for Extraterrestrial Intelligence (SETI) by exploring higher radio frequencies long ignored in the hunt for alien signals. Using archived ALMA observations, researchers are searching for technosignatures while taking advantage of "stellar bycatch"—data that unintentionally includes millions of nearby stars.
The study suggests that existing telescope archives could dramatically broaden the search for extraterrestrial civilizations without requiring new observations.
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The skinny
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