Over 60 years ago, Frank Drake initiated the Search for Extraterrestrial Intelligence (SETI) by detecting signals from nearby stars. His groundbreaking work set the scientific foundation for SETI based on feasible technology. Recently, the field of SETI has transformed, shifting focus to technosignatures—signs of advanced civilizations. A new study led by Sofia Sheikh explores how far Earth's technological signals could be detected with modern telescopes, illustrating the advancements in the search for extraterrestrial life since Drake's initial experiments. This evolution highlights the significance of both understanding what's possible and employing scientific rigor in the ongoing quest for alien civilizations.
The Search for Extraterrestrial Intelligence (SETI) has evolved significantly since Frank Drake's initial experiments, now focusing on detecting technosignatures from exoplanets with advanced technology.
Today's advancements allow scientists to explore further than 10 light-years, developing a strong foundation in the search for technosignatures from technologically advanced civilizations.
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