2023-11-11 16:29:00
In 1950, physicist E. Fermi pointed out the contradiction between the fact that we still have not discovered alien life and the obvious probability of its existence in the vast Universe, reports The Byte. © shutterstock.com However, an idea has emerged that explains this paradox. Some astronomers believe that aliens might have known regarding us for a long time, although we do not know regarding them. Firstly, it is not a problem for intelligent life to discover our planet. For more than a century, people have been actively transmitting radio signals into space. Also in the solar system and even beyond its borders there are devices equipped with transmitters, for example, the American Voyagers. According to astronomer Howard Isaacson, these ships alone will potentially “make known” humanity to more than 1,000 stars over the coming centuries. Other experts believe that alien civilizations may also detect earthlings due to the abundance of city lighting (a sign of an apparently technologically advanced society) and level of pollution of the earth’s environment. Science fiction has long considered the possibility of aliens visiting us, and often these stories end catastrophically. Researchers are actively debating whether we need to make ourselves known to alien civilizations at all, given the risks involved. But perhaps it’s too late and we’ve been spotted. Why observers choose not to reveal themselves remains another mystery.
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