The Drake Equation: Estimating Galactic Civilizations and the Search for Technosignatures

To the point

Frank Drake created an equation to estimate how many communicative civilizations may exist in the Milky Way, highlighting that how long such civilizations transmit is the main unknown and guiding the search for radio signals as exoplanet data improve the estimates.

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Frank Drake’s Equation & Legacy in the Search for Extraterrestrial Intelligence
astrobites.org

Frank Drake’s Equation & Legacy in the Search for Extraterrestrial Intelligence

In remembrance of Frank Drake (May 28, 1930-September 2, 2022), today’s classic paper summary covers his eponymous equation, thoughts on SETI approaches, and legacy.