The Electromagnetic Spectrum – Messaging Extraterrestrial intelligence

By Admin, November 14, 2012


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 theoritical alien civilizations. Published in 2010, Faces From Earth


What do you think?

Leave a Reply

Your email address will not be published. Required fields are marked *