The Electromagnetic Spectrum - Messaging Extraterrestrial Intelligence

shared by Fogarasy on Mar 19, 2012 in Science

The Electromagnetic Spectrum - Messaging Extraterrestrial Intelligence

shared by Fogarasy on Mar 19, 2012 in Science

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This poster shows the EM spectrum: Tools that are used for listening and observing EM waves in space are listed above the spectrum. Small lines indicate the in and outgoing communications with theorit...
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