Last year, a rather interesting event related to UFOs was a public hearing held in the US Congress. The American military spoke directly at the hearing itself about what results they managed to obtain from the investigations into the observations of unknown flying objects. One of the attendees made a statement that UFOs pose a direct threat to national security. Also, aliens may actually exist. Physicist Brian Cox from the University of Manchester agreed that intelligent civilizations may exist in the universe and may even be normal.
This is reported by Planet News with reference to the Daily Mail.
Cox noted that extraterrestrial civilizations may be a reality, but they are definitely not in our galaxy. He emphasized that a civilization resembling a human one may be extremely rare. The physicist believes that there can be only one intelligent civilization in one galaxy.
"There are about two trillion galaxies in the universe that people can study. I am quite sure that there are alien civilizations out there somewhere. Life appeared on Earth almost 3.8 billion years ago, but a full-fledged civilization arose recently. It took most of the time that life existed for its appearance," says the physicist.
The age of the universe reaches the mark of 13.8 billion years, which is quite a lot. Most likely, microbial life is a normal phenomenon that is quite common in outer space. At the same time, intelligent civilizations can occur extremely rarely.
In turn, Monica Grady is sure that our galaxy is incredibly large and therefore in any corner of it life can potentially arise on one of the planets. There is, of course, only humanity in the solar system. At the same time, if there are aliens somewhere, then they need to learn to quickly overcome huge distances, because between our planet and the place where they live, there can be billions of kilometers.
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