The pessimism or the blunt reality of Ulrick Walker

Ulrick Walker was an astronaut and is also a physicist and engineer. On February 9 he turned 70 and gave an interview to a German media in which he was asked about the possibility of traveling to stars and galaxies and finding extraterrestrial life and he presented a point of view that I see in other scientists and in part of the population. In this interview that he gave to the German media, Ulrich Walker said that one day getting a contact, "Yes, it could be possible and that there could be life out there" in reference to intelligent beings in the universe, but he said verbatim that "we will never know them, we will never meet them." we will communicate with them ourselves”; Although he recognized that they could exist, the universe is very large, he also said that only logic demands it because there are almost an infinite number of other planets, however, in other galaxies. “Humanity will never be able to travel there, in fact, you can prove that we will never intercept their messages and if they send them to us,” said this astronaut. He also said that our Milky Way galaxy, the part of the universe that is accessible to us, according to Walker, the probability of extraterrestrial life or other civilizations is very low, if so there are very few, perhaps 10 or more but still the distances are so great that the signals of others disappear in a in the galactic noise and he also said that the trip, In reference to interstellar travel, it is not possible, these flights would take more than 10,000 years even if they were only a few light years away.

This was what the German scientist declared and it coincides with the opinion of many people and also some scientists and yes it is true, we do not have the technology to travel to other stars, as I often say, we are not the generation that is going to travel to exoplanets, but we are the generation that is beginning to discover planets in other stars, we are the generation that is giving names to these new worlds. We also do not have the technology to capture even fossil radio signals, since after a few light years the normal radio signals are lost in the soup of cosmic radiation, there are special signals, we here on Earth have sent some the last one, to the polar star in the direction of the polar star but they are very powerful and very specific and very concrete signals, it is difficult to think that any civilization would have launched a type of signal of that type, but of course, Never is never, saying never is saying ended, that is to say an impossible and of course it is much more than a question of time, because what did humans do 10,000 years ago, if we lived in that time 10,000 years ago we would have this talk around an empty space, and the light of the fire would count Well, about the stars, but I would not talk about them as balls of plasma with what we know now, but I would talk about them as gods and tell them the stories of the constellations and the epic of Heroes who in the end were transformed into stars or things Similar.

Agriculture 10,000 years ago, although it developed a couple of thousand years before, was still a very local phenomenon, it had not spread throughout the world, so I may have told you around that bonfire about a sorcerer who in a distant town towards where the sun rises, since he had harvested wheat and had invented a thing called beer, it would be a technological revolution, he could also tell us about a tribe that had managed to domesticate sheep and that now had a regular supply of milk and wool that era biotechnology from the time of 10,000 years ago. The wheel did not exist, nor had horses been domesticated, nor the smelting of metals, flying, traveling through space, automobiles, the Internet, all of that was unimaginable 10,000 years ago, you think we have advanced a lot. But in regards to what the scientist was asking this German astronaut, we are still very far away, we do not know what dark energy is, nor the dark matter that makes up 95% of the universe, we only know and regularly about 5 % of the universe made up of stars, galaxies, planets and ourselves, the entire subatomic world still seems a mystery to us. It is never a complete absolute sentence. 10,000 years is a long time for a human life but not for a species. The humans of 10,000 years ago were biologically the same as us, imagine what we have left to discover in the next 10,000 years, perhaps in that 95 of the universe that we do not know or in the subatomic world are the keys to being able to travel to the stars.

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