The real reason why we still have not found the aliens

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2017-07-17 11:30:07

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Only in one of the milky Way, according to various estimates, may contain from 100 to 400 billion stars. Potentially each of them can be found on the planet. Only in the observable Universe may be at least two trillion galaxies each of which contains trillions of planets orbiting the hundreds of billions of stars. And even if among so many planets, those that are capable of supporting life, very very small, somewhere in the Universe still must be intelligent life besides our own.

Estimates say that if just 0.1 percent of the planets only in our galaxy are potentially gesneriads, that it will have on the order of one million planets on which life can be. Such calculations have prompted the Nobel laureate Enrico Fermi to ask the question: "Hey, so where are you all?". This question is a prerequisite to the so-called Fermi paradox, and, according to modern scientists, the most likely answers will be associated with the man himself.

There is a hypothesis — "the Great filter". According to her, to the moment that intelligent life will be able to leave their homeworld, it is necessary to overcome some walls. The same Great filter. The hypothesis States that in the global evolutionary process, there are some transitional moments that have to be overcome in any reasonable civilization to get the opportunity to communicate with other worlds. For some civilizations, these transitional moments can take place at an early stage of life, and in our case, we only move to this point of evolution. From this conclusions can we draw the counterintuitive conclusion that the easier it was our evolution to the present time, the worse the chances of mankind in the future.

Take, for climate change. Regardless of whether you believe in them or not, if they are neglected, it will eventually destroy most of the known life on Earth. The last 12 000 years or so the planet's climate has been remarkably stable, allowing human civilization to flourish, moving from agriculture to industrialization, which, ironically, may all of us, and destroy.

In a recent research it has been found, which are characteristic features and features of living species most likely will allow them to survive in the face of the planet undergoing global climate change. The two most important characteristics are the selectivity and the capacity for rapid reproductive cycle. Based on this, we can conclude that people will not take place among the primary surviving species. From this you can also make another conclusion: despite the fact that events on other planets (those transition periods) can develop differently, there is a strong likelihood that the way of life that existed on these planets, were so many obstacles that civilizations ultimately are unable to overcome them.

"In the Universe age billions of years, where a star system are separated not only by space but by time, civilizations can emerge, develop and eventually resolve themselves so quickly that just do not have time to find their own kind. We are living in an age of new mass extinction, which has only just begun. We are expecting a lot more deaths," — wrote a columnist for New York Magazine David Wallace-wells.

Many other thinkers have different answers to the Fermi paradox. In some cases they are even more depressing than this, some less. Here are some examples.

Anders Sandberg, of Oxford astrophysicist, member of the Astronomical Observatory of Belgrade Milan Cirkovic, as well as Stuart Armstrong, an expert on artificial intelligence, believe that the aliens are not dead, but simply waiting for cooling down the overall cosmic background of the Universe.

Professor Osmanov Zara from the Free University of Tbilisi, believes that our search for alien megastruktur sooner or later will be crowned with some success, except that we seek not those stars that you need. And you need to look in the opinion of Osmanbey near pulsars.

Physicist Brian Cox suggests his own version, which for other extraterrestrial civilizations could be grim, so there is a possibility that they can end for us.

"Why not assume that the growth of science and engineering could transcend political and social norms and mores, and everything was so out of control that led to disaster" — said Cox.

"If intelligent life on another planet, she is not wanting, himself and destroyed under the onslaught of the development of their technologies, why need to exclude the possibility of a similar fate for mankind?"

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