Outdoor civilizations, located within a few decades of light, know about the existence of humanity, said candidates of science and technology Ramiro Caiss Sais from the University of Manchester. About this Write “Komsomolskaya Pravda.”
According to scientists, aliens can capture electromagnetic radiation emitted from the ground.
In order to do this, I have assigned astronomer, they are enough to build equipment equivalent to the power source with Jodrell Bank (Jodrel Bank radio telescope), Event Horizon telescope or Green Banking Broadcasting Glasses (Green Bank Telecores in West Virginia).
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According to him, using such devices, you can catch electrical radiation from earth from 200 light -years distance.
Said found that remarkable radiation from other star systems came from the installation of the airport rodar. In addition, the signal is also transmitted from mobile towers.
It is best to hear us from the planets of the nearest stars. This is part of a Sagittarius – before it is more than 4 light years, the star of Barnard, is 6 light years and HD 95735 in 8 light years from the ground, the researcher explained.
At the same time, experts stipulate that residents of other planets heard the earth not mean they will take any action against this planet. He added that Earthlings has distributed radio waves since 1895, but so far, the attention of aliens has not been determined so far.