astroengine writes: "By focusing the Green Bank radio telescope on stars hosting (candidate) exoplanets identified by NASA's Kepler space telescope, it is hoped that one of those star systems may also play host to a sufficiently evolved alien race capable of transmitting radio signals into space. But in a study headed by ex-SETI chief Jill Tarter, the conclusion of this first attempt is blunt: “No signals of extraterrestrial origin were found.” But this is the just first of the "directed" SETI searches that has put some very important limits on the probability of finding sufficiently advanced alien civilizations in our galaxy."
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