Mankind does not have the equipment that allows to isolate from the general noise and decipher the signals of radio and television broadcasting of extraterrestrial civilizations, if such reach the Earth, but terrestrial broadcasts also cannot be understood against the background of noise from the Sun, a leading researcher of the Research Institute of Nuclear Physics told RIA Novosti Moscow State University, head of the scientific and cultural center SETI under the Council for Astronomy of the Russian Academy of Sciences Alexander Panov.
The SETI project (Search for Extraterrestrial Intelligence) is the general name for projects implemented by scientists from different countries in order to search for extraterrestrial intelligent life. The main such method is the search for extraterrestrial radio signals.
“In order to receive such signals, we need receivers of absolutely astronomical proportions, which mankind does not have now. The total power of radio emission from the Earth is comparable to that of the Sun, which means that suspicious radio noise can be detected in the radio waves emanating from our solar system. But no instruments the earth class could not decompose radio noise into a stream of meaningful information, "he said.
The first radio broadcasts began in 1909, and mass television broadcasting began in the 30s of the 20th century. Thus, those of the radio waves that were able to pass through the Earth's ionosphere moved away from the planet by a little more than 100 light years. At the same time, the dimensions of the Milky Way exceed 100 thousand light years.