The question of the existence of extraterrestrial civilizations has been and remains open. Astronomers are constantly observing the starry sky using thousands of powerful telescopes in order to be able to find at least traces of the presence of life on one of the foreseeable planets. But even if an inhabited planet is discovered by scientists, it will most likely happen far from our solar system, which means that we will not have enough opportunities to get there. In the next fifty years, a large-scale technical breakthrough is unlikely to happen, so there is no need to dream of direct contact with aliens. Therefore, a person will not receive anything useful, except for the knowledge that there are intelligent beings somewhere far away.
But after all, it is important to know whether aliens and their spaceships exist at all or whether there are numerous testimonies - these are all speculations, the fruit of the human imagination and ordinary natural phenomena that humans have not yet learned to understand. It is important for people to know if extraterrestrial civilizations exist in order to avoid the possible threat that may come from them. Thus, aliens are, rather, a problem for humanity.
Everything unknown by man is automatically included in the category of possible threats, this also applies to UFOs. Many people are sure that when we come into contact with them, they will certainly want to enslave us, kill, eat or use our resources to their advantage. There are many films where aliens are presented as bloodthirsty creatures whose goal is to exterminate humanity. However, things can be different. Representatives of an extraterrestrial civilization may be too intelligent and shy to come into contact with us. After all, the threat can also come from us towards them. Humanity may also want to take resources away from them, or worse.
People were created by aliens
And now let's present the most original assumption: UFOs created you and me, humans, as an experiment. There is no concrete evidence for this, but there are many indirect ones. Let's start with the fact that, as scientists assume, once upon a time, Mars and Venus were inhabited.
Our luminary first heated Venus, therefore life there arose earlier, but then the Sun increased the intensity of heating, and all life on Venus was fried. Now it is impossible to imagine life on this planet, the conditions here are too uncomfortable to create it. Even spaceships during missions will not be able to hold out on its surface for more than two hours. But if we assume that once upon a time intelligent beings existed here, then they probably realized that soon their civilization would come to an end due to an increase in temperature. Then they could come up with technologies to keep civilization on the cooler planet - on Earth.
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What do the legends say?
Let's say a group of Venusians went to Earth in search of better conditions. But in those days, earthly conditions were completely different than now. The inhabitants of Venus could not send everything from their planet to ours. And then, probably, they decided to create their own kind of creatures, endowed with intelligence, who could use their instructions. Many ancient pagan religions contain references to the arrival of strange creatures from the sky. In the legends, these creatures were cruel enough, they could destroy a person for any innocent offense.
In a special way, in this context, one can interpret the well-known legend of Prometheus, who bestowed fire on humanity. If we assume that something like this happened, but the Venusians acted as Prometheus, they did not want to give people fire, because they did not want to repeat the Venus scenario, but in this case, not the Sun, but the people themselves could have led to the death of all living things. The ancient Greeks hardly had any idea of cosmic processes, so the interpretation of the prohibition was as follows: "deities" hinder the progress of mankind. Ancient Mars could also be the home of aliens who then decided to go to Earth. This can be gleaned from other myths.
Of course, legends are just legends, but they may well be based on real events that once took place. It is unlikely that all the myths were invented by someone from scratch. To write something, you need a real basis, which aliens could become. Of course, not everything that is attributed to "gods" in legends could be in reality. In part, such stories may be true, in a special way interpreted by a person.
Features of the human body as one of the confirmations
Another indirect confirmation that humans were created by aliens is the strange features of the human body. Scientists believe that living things, including humans, are formed through natural selection. Some organs developed because they were needed, others died out due to their uselessness. But to this day, there are some cells in the human body, the purpose of which scientists cannot understand. The laws of nature tell us that everything has a reason. In this case, could aliens create a person, taking into account the characteristics of their organs, and not local needs?
People called "indigo" often have strange memories, such as a flight to Mars. Perhaps this is just a figment of a violent imagination or a weak psyche, but the descriptions of indigo children are so detailed and contain the most complex terminology, so you should not exclude their testimony.