Breakthrough Listen Project Scans 60 Million Stars, Finds Zero Aliens

ExtremeTech
Breakthrough Listen Project Scans 60 Million Stars, Finds Zero Aliens
By Ryan Whitwam on May 6, 2021 at 7:15 am
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Scientists with the Breakthrough Listen project took up the mantle of the Search for Extraterrestrial Intelligence (SETI) several years ago, continuing the decades-long search for E.T. The project has just released its largest survey to date, consisting of more than 60 million stars…and no aliens. 
There are numerous ways we might detect alien life, such as the presence of megastructures that obscure starlight or specific biosignatures in an exoplanet’s atmosphere. However, scanning for radio signals is the most efficient technique available with our current level of technology. Breakthrough Listen conducted its latest survey along a line of sight toward the center of the galaxy, taking advantage of the increasing star density to cover as many hypothetical aliens as possible.

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