Wow signal tweet messages into space national geographic

Radio telescope antennas of the ALMA ( Atacama Large Millimeter/submillimeter Array) project, in the Chajnantor plateau, Atacama desert, on October 1, 2011. The National Geographic Channel plans to use the Arecibo Radio Telescope in Puerto Rico to beam tweets into space on August 15, 2012, in response to the Wow! signal received in 1977.