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Extraterrestrial Interstellar Beacon - A Broadcast From Outer Space

Posted: 3/24/2012 4:37:45 PM   Reads: 759   Submitted By:Voyager70   Category: Space   Source: www.messagetoeagle.com
There could be hundreds, even thousands, of intelligent civilizations in the Milky Way, but not all of them can be classified as interstellar travellers. Many civilizations might simply lack sufficient technology to travel among the stars. Nevertheless, just like humans other intelligent alien species could seek contact with their galactic neighbors. Have we already detected such alien signals without being able to identify their true nature?
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