Signals to Alien Worlds Pose No Threat of Invasion

Signals to Alien Worlds Pose No Threat of Invasion
Edinburgh, UK (Sputnik) Feb 18, 2015 - Using powerful radio telescopes to broadcast "greetings messages" into space will not result in an alien invasion, a chief scientist at the Search for Extraterrestrial Intelligence (SETI) Institute in California told Sputnik Friday. Astronomers have been listening for messages from possible alien civilizations since 1960, without any tangible success. But under a proposal, known as "Active ... more

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