NASA scientists say that aliens have already been to Earth, they are not carbon structures, what do

It is understood that scientists think so: this is a kind of speculation, even fantasy.

The universe we observe and live in is only 14 billion light-years。What's more, from the beginning, to the birth of life, and the development of science, there are only nearly 3 billion years, even if the so-called aliens can be much more advanced than us, they should be developed on the same basis. And as human beings, we are nothing more than rudimentary creatures.

Although it is the foundation, it is impossible for human beings to develop in their current state in the state of biological human beings. It is safe to say that the robot stage can only be completed if we say it in more popular terms. After all, biological human beings are too fragile and need all kinds of care, while nature in the universe is very cruel and harsh.

It can even be said that if we do not grasp the transfer of our biological human beings to robots, then the loss of life is possible at any time.

Biological humans are human beings just like us。The advantage is that they can continue to develop and cooperate with each other in their own environment, so as to evolve life to the highest stage. But the disadvantage is that the life cycle is too short, up to 180 years life cycle; Moreover, the living conditions are too harsh to explore the wider universe.

In addition, there are many biological characteristics of their own, such as color-eating properties, and disadvantages such as cunning and plundering, which also determine that biological humans will not survive for too long, and it is certain that they will become extinct at a certain time. In this way, real humans can only solve this problem by developing from biological humans to robots. When robots are truly fully developed, they are biological humans turning into physical humans, and of course, their ability to adapt to the outside world is much stronger than that of us humans.

For example, there is no problem with high temperature resistance. Energy can also be externalized or developed on its own, without eating, cloning and breathing, let alone reproducing offspring to continue life.

Only such human beings are intelligent and developmental. In addition, they are all special organisms, and the thoughts communicate and intertwine with each other, and the individual or overall life cycle can be inherited and connected indefinitely. In short, compared with them, we modern people are nothing but primitive people, their ancestors and creators.

In this case, there are really more advanced human beings, and they are also similar to this kind of physics and robots。It should be said that evolution is not at the same level as us! Of course, they are not too interested in our earth, living beings.

Just as we see a new species, just record it. Moreover, they were created from biological humans, just like us, and of course they know what is going on with us. Some people think that it will be a threat to our earth and humanity, but of course Yelang is arrogant and looks up to us too much.

For example, we see an anthill, which is exquisitely constructed and well laid out. But that's all, I won't find a way to take possession, it's not interesting.

Scientists have no basis for such an explanation, and this explanation is just speculation by some people, without any substantive basis.

The scientist's answer to this matter is that it is simply impossible, and this is actually a kind of hype in the United States, and they will always use these ethereal things to hype up every once in a while.

Scientists said that they did not rule out the possibility of extragalaxies, and also said that extragalaxies would also pose a certain impact and threat to the earth.

I don't believe it. Because I think life is based on carbon, and it is impossible for silicon to form life, I don't believe it very much.

I don't think NASA has said anything like that, maybe it's just a rumor. Aliens have never been to Earth at all.

As we all know, NASA is an abbreviation for National Aeronautics and Space Administration. The agency is far ahead of the world in the exploration of outer space. In the last century, the manned moon landing was successful, and many famous probes were launched, such as Voyager 1 and 2, Pioneer 10 and 11, New Horizons, Cassini Huygens, Parker Solar Probe, etc., so it is believed that NASA has the most detection capabilities.

Said in outer space or extraterrestrial civilizations.

First of all, NASA scientists who would make such statements are certainly not scientists who study astronomy and extraterrestrial life, and it is impossible for NASA astronomers to say such things. In fact, Colombano is just a computer scientist. To date, there is little evidence to support that aliens have already been on Earth, let alone whether they are carbon-based life.

NASA has also never publicly acknowledged the existence of extraterrestrial activity on Earth.

Since the last century, there have been people who have claimed to have seen alien spaceships on Earth, and even people who have claimed to have had contact with aliens. Sadly, none of the so-called extraterrestrial contact events stand up. The vast majority of these incidents were forgeries and fabrications, while others were simply natural phenomena.

In the vast universe, countless exoplanets will always make people think, will there be life and civilization in those extraterrestrial worlds?

According to the Drake equation, we are unlikely to be alone, and the number of intelligent civilizations in the galaxy is at least one, and at most there may be tens of thousands. It's just that the universe is too big, and it's too difficult for civilizations in different star systems to communicate with each other. Even if radio signals could travel at the speed of light, it would take tens of thousands of years for civilizations on the other side of the galaxy to transmit signals to Earth.

The transmission of signals is already extremely difficult, let alone interstellar travel. According to the theory of relativity, the speed of a spaceship cannot even reach the speed of light. While sub-light motion slows down time and compresses space, it is difficult to get a spaceship to travel at sub-light speeds.

Theoretically, the most efficient known form of interstellar travel is through wormholes. Even if the two planets are tens of thousands of light-years apart, as long as there is a special space-time passage such as a wormhole, the interstellar crossing of tens of thousands of light-years can be completed soon. It's just that opening wormholes requires extremely special negative matter, which humans don't know anything about at the moment.

On the other hand, unlike life on Earth, which is all carbon-based, extraterrestrial life has the potential to depend on other elements, such as silicon. Theoretically, silicon-based life may be more resistant to radiation, making it easier for them to travel to the stars for long periods of time.

NASA astronomer Ellen Stofan believes we have the potential to find extraterrestrial life in the coming decades. However, the place where extraterrestrial life is discovered may not be on exoplanets, but on moons in the solar system, for example, Enceladus.

6. Europa. And this kind of extraterrestrial life is just a simple microorganism, not a sapient creature.

Finally, there is the question of how astronomers would tell the world if they found extraterrestrial life. After all, it was a major discovery that revolutionized the human view of the universe.

Their appearance may be different from that of humans, their height should also be different, and most importantly, their language must be different.

Compared to humans, aliens have ugly appearances, but their brains are more developed than humans, and they are very intelligent creatures.

Their physiology and knowledge reserve are different from those of earthlings. Aliens may have indeed been to Earth, and they may have learned about some of Earth's habits and technological level.

Because from the information currently available to mankind, carbon-based is the basis of life, so scientists will use carbon-based life standards to search for extraterrestrial life.

Because carbon-based life is the most likely stable structure found so far. It is reasonable to consider the stability of the formation of life forms from the perspective of the properties of carbon elements, but if we consider it from the perspective of silicon, we are completely unknown to us, even if we look for it.

Because it's looking at things in terms of our perceptions, we all think that only this standard will lead to life, and I think that's right.

It takes a year to two years to learn a foreign language, but if you learn an alien language, it will probably be even longer, and even if they contact you, you won't understand it!

Scientists say that there may be extraterrestrial life in the solar system, but they have not been connected with the earth, which may be because extraterrestrial creatures may not have discovered the life on the earth, so they have not made contact with the earth, this is just a speculation by scientists, there is no scientific evidence to prove that this phenomenon needs further research.

It may be that the development of technology has not yet reached the point where it can connect with extraterrestrial creatures in the solar system. And there may be extraterrestrial life in the solar system, and its own culture is not the same as ours. So we can't get in touch yet.

It may be because they feel that the technology of the earth is too low-level and the civilization is too low-level, so they disdain to make contact.

Because they are still very low-level creatures and have not yet developed civilizations, they have no connection to the earth.

Because carbon-based life is easier to give birth to, and carbon-based life is the basis of life, scientists should look for extraterrestrial life by the standard of carbon-based life.

Because to form biological macromolecules, it is impossible for other elements. In addition, the specific gravity of other congeners is very heavy, and if macromolecules are formed, they cannot be freely converted between gaseous solids.

Because scientists believe that carbon-based life is similar to us, it is possible that they will be about the same level of civilization as us. And it will be more convenient to communicate.

What is carbon-based life? Is all life on Earth carbon-based?