It is said that human beings on earth came from an alien civilization, is there any basis?

Earth humans come from an extraterrestrial civilization, and it has a theoretical basis.

Human evolution on earth is closely linked to human evolution in the universe.

Humans in the universe have rules of survival, and the evolution of human beings on earth is constrained by the rules of survival of human beings in the universe.

The people on each planet belong to the same human race, and the humans on each planet have their own signals of the same frequency.

There are two very different views on the existence of aliens, but the universe is so big, I think there must be aliens, and humans have not yet come into direct contact with aliens.

It doesn't exist, many of it is hearsay, and I personally think it's more true to see is believing. A lot of the rumors are based on a speculation about the unknown world that has no factual basis.

I think that alien civilizations are real, and aliens may have come to the earth, but the current technology developed by human beings is limited, and no traces of them have been found for the time being.

Exist! And have already visited Earth! Although there is no conclusive evidence, the universe is endless, and there are too many places that humans cannot reach, and there are many unsolved mysteries at present.

The existence of extraterrestrial civilizations is inevitable, after all, the universe is so huge, there will be many planets suitable for living creatures, but it is difficult for human beings to detect with existing technology. It is difficult to confirm the authenticity of the aliens visiting the earth, but there are really alien civilizations that are more advanced than human civilization, and it is not impossible to visit the earth.

Are there really aliens? It's still a mystery! Although there is no definite evidence yet, I believe that there must be other life in the vast universe!

I'm not guessing! The universe is so big that there are no surprises! Although it takes a lot of conditions to give birth to life, it is not impossible, and the earth is an example. There are countless planets like the Earth in the universe, is it only the Earth that has life?

Even if all life needs water, there is more than one planet with water. At present, there are only no planets with liquid water in the solar system, and there are many galaxies the size of the Milky Way in the universe, and there are countless ones that look like the solar system! Are you afraid that you won't be able to find a second Earth?

Although we can't find aliens yet, won't aliens with more advanced technology than us look for us? So far, there have been many things that resemble extraterrestrial spacecraft, collectively known as UFOs, and although 99% of UFOs are masterpieces of nature, aren't there still unproven ones? Aren't they alien spaceships?

To sum up, extraterrestrial life is definitely there! It's just not discovered.

A few days ago, some scientists said that they had calculated that the planets and star systems in the Milky Way galaxy are similar to the Earth-Sun. According to research, there are about 1% of stars of the same type as the Sun in the Milky Way, and at least 10% of them have planets, that is, 100 million stars like the Sun have planets.

So the future will definitely be discovered.

Mankind has not discovered the existence of extraterrestrial civilizations today, and the location of the Earth may be exposed. The existence of extraterrestrial civilizations has become an eternal hot topic after human beings have left the earth. For more than half a century of space exploration, the search for extraterrestrial civilizations has been the goal of scientists' constant efforts, but until the goal, we have not found any trace of extraterrestrial civilizations.

If humanity had not gone out of the earth, such a perception would probably have been supported by the majority of people. However, when human beings walk out of the earth, there are fewer and fewer people who support this cognition, especially with the continuous progress of human science and technology and the continuous improvement of their understanding of the universe, the probability of the existence of extraterrestrial civilizations has basically risen to 100%.

Fermi's paradox" indicates such a paradox: aAliens exist – scientific inferences can prove that aliens evolved much earlier than humans and should have come to Earth and exist somewhere.

b.Aliens don't exist – so far, humans have not found any clues about their existence. Theoretically speaking, the universe has been born for 13.8 billion years, if there are extraterrestrial civilizations, then there are some extraterrestrial civilizations that are far more powerful than humans, and may have come to the earth to contact with humans, but so far, we have not found any extraterrestrial civilizations.

Due to the vastness of the universe, the distance between galaxies is more than a few light years, so if civilizations want to contact each other, they can only become interstellar civilizations. What's more, according to the Milky Way, the Virgo Cluster is located in the remote position of the universe, and it is possible that there is only one intelligent civilization in the entire Milky Way, human beings. If this is the case, then humanity wants to come into contact with extraterrestrial civilizations only by going to other large galaxies.

The closest to the Milky Way is the Andromeda Galaxy, which spans millions of light-years. And if we want to reach the Andromeda Galaxy, ordinary faster-than-light flight can't do it, only the kind of space jumping technology in science fiction ** maybe. But for humans, flying at the speed of light is still a distant and unattainable dream, let alone a fantasy space jump.

Of course, what is the position of the solar system or the Milky Way in the universe? At present, it is only a judgment from the perspective of the observable universe. You must know that although the current observable universe of mankind has a range of 93 billion light years, this range may only be the tip of the iceberg of the entire universe.

It is possible that the location of the Earth is very remote in the Milky Way.

Humans have not discovered the existence of extraterrestrial civilizations today, which has nothing to do with the exposure of the Earth's location, because even if there are really aliens and pedestrians, it is impossible to observe the human activities of the Earth, so. This doesn't have much to do with human location exposure.

It does not matter. It's just that the planets are so far apart that it's difficult to communicate with each other, let alone find each other accurately.

This does not rule out this possibility, but there is another possibility, which may be that extraterrestrial civilizations, like the civilizations of Earth, have not yet developed to the point where they can detect each other's positions.

The ancients put forward various conjectures that are round and circumstantial, and gradually unveiled the mystery of the planet we live in through step by step confirmation. After unveiling the Earth, our research expanded to explore other planets. At the moment, we are looking for civilizations on other planets besides Earth.

It is very likely that there are many undiscovered places in the world, and there are some strange buildings, most likely built by aliens.

Not really. Because aliens do not exist, and it is impossible for an alien civilization to hit Earth, this is not true.

Scientists speculate that millions of years ago, when human beings were not born, extraterrestrial civilizations may have come to the earth, but at that time, extraterrestrial civilizations found that the earth had not yet given birth to intelligent civilizations, but was just a primitive planet rich in species.

Extraterrestrial civilizations have not been to Earth. Because with the current human technology, the trajectory of extraterrestrial civilizations has not yet been detected.