Television allows us to transmit images of ourselves that propagate into space. The earliest of these transmissions have by now reached all of our neighboring star systems. None of these transmissions
far as we know, has been recognized; we have yet to receive any messages of extraterrestrial origin. We must conclude that there is no extraterrestrial intelligence in any of our neighboring star systems.
assigns too little importance to the possibility that there is extraterrestrial intelligence beyond our neighboring star systems