Why do aliens exist? Whether or not there are aliens

Aliens exist because they have the conditions to live, and then they may also survive, because the human aliens who can survive on Earth may also live on alien planets.

If life on earth appears by chance, but there are at least billions of terrestrial planets in galaxies such as the Milky Way in the universe, and there are countless other galaxies outside the Milky Way.

Because the universe is infinite, there is no way to know for sure that it exists, but most people may believe it.

Because it is unlikely that there are only human beings on Earth in such a large space, it is possible that there will be other civilizations on other planets, and I believe that the future aerospace technology should be revealed.

Theoretically, the universe is infinite and there must be a lot of planets like Earth that are suitable for living, so there are aliens.

Hello, why do you think that there are aliens in the world, in fact, I used to think so, I used to see something similar to a spaceship at the door of my house, and I also read a lot of knowledge related to aliens, but later I saw that there are no aliens in the world, because there is nothing to prove that there are aliens in the world.

Although we have not yet found any evidence of the existence of aliens, many scientists believe that there must be planets similar to Earth in the vast universe, which will inevitably give rise to life and evolve intelligent beings - aliens.

There must be other creatures in the vast universe, but they are too far away to reach easily.

The universe is big, there are many planets, and if only we exist, it will be lonely.

Probabilistically speaking, there must be extraterrestrial intelligent life in the universe. Because there are at least 200 billion stars in the Milky Way. Although the likelihood of life is low, there are about 1 billion stars with Earth-like habitats.

So why haven't we even seen a single civilization? Scientists have suggested a lot of possibilities.

Life forms also exist on other planets, but they are all low-intelligence life. At present, the earth is the most developed civilization in the universe. So only we explore aliens, and no aliens will be able to discover the Earth.

Extraterrestrial life does exist and has visited Earth, but that was a long time ago, and then aliens left Earth.

Extraterrestrial life may exist in the form of light, and the dark places are actually their dwellings. In this case, we have no way of understanding it.

Earth is actually a prison, and humans are the descendants of cosmic prisoners. Living on Earth is serving a prison sentence. And then other higher civilizations are watching us.

There are treaties in the universe that prevent higher civilizations from interfering with each other. This is similar to the fifth point of the Dark Forest Theory. The treaty is binding.

We are different from the living space of foreign civilizations, and the living space of human beings cannot understand the fifth dimension or even higher dimensions. Because we can only observe things that are below our own dimension.

Aliens live underneath the planets, and now we can only observe the surface of the planets in the universe, and in fact most of them are not suitable for survival. However, the environment underground is much better than above ground because they can be protected by the planetary crust.

But these are just speculations. Because until now no conclusive evidence has been found that aliens have ever been on Earth.

Exists, but cannot be seen - beyond the earth, there should be other life, but the chance of these lives being discovered and perceived by us humans is basically zero. Regardless of whether extraterrestrial life is a highly intelligent "human", or a microorganism with only one cell, or something completely different from life on Earth, we just can't find them anyway.

The universe is very large, there are many stars, and some stars have their own planets, just like the relationship between the sun and the earth, among which there are inevitably planets with similar conditions to the earth. In terms of probability, although the chances of the emergence of life and the evolution of intelligent creatures are very rare and very small, they cannot withstand the fact that the universe is too large and the total number of stars is too large.

There is no accurate data on how many stars there are in the universe, but scientists speculate that the numbers are very large, one theory is "1 trillion times 300 billion", and "70,000,000,000,000,000,000,000,000 (7 after 22 0, 7 trillion billion)", in short, the number is very special and very large. There are not too many stars with planets, but multiplying this base, it is still possible that there will be extraterrestrial life. It's like buying a lottery ticket, although you can never win, someone will always win.

If there is extraterrestrial life, why can't humans discover it? Or is it because the universe is too big. The distance is too far away, so far that the light has to run for a hundred years to run.

Such a long distance, even if we look at it optimistically, with the degree of scientific and technological development that we earthlings may achieve, I am afraid that it will not be able to connect.

Extraterrestrials are a collective term for the imaginary life of humans outside of Earth. There have always been reveries about aliens in ancient and modern times, but now human beings have not been able to actually detect the existence of aliens, although many people have always claimed to have witnessed aliens visiting the earth and even having contact with themselves. Russian astronomer Professor Finkelstein believes that "the emergence of life is an inevitable product of the development of complex atoms, life must exist on other planets, and mankind will discover them in the next 20 years."

When asked about what the aliens look like, Finkelstein stated that they may resemble humans, with two hands, two legs, and a head. "Maybe aliens have different skin colors, but humans also have skin color differences," he said. ”

Are there really aliens in the universe?

I think there is, the development of civilization to a certain extent will encounter a threshold that cannot be crossed, so as to self-destruct, civilization will develop to a certain point will explore aliens, then the creation of nuclear spacecraft is also bound to develop artificial intelligence, nuclear spacecraft to huge energy, there is a thought, in the future science and technology development to explore the sky.

exists, the universe is very large. In front of the universe, our mother earth can only be regarded as a very small grain, our human existence is because the earth is in an environment suitable for our survival, and the aliens will also have an environment that can be suitable for their survival, or the universe is so big, anything is possible.

After all, there is more than one week in the universe, and if there are human beings, why are there no aliens? It's just that no one has noticed it yet, but the accident can't still be seen.

It doesn't exist, it's only in the movies.

Aliens invade Earth and end up falling in love with a woman.

Are there aliens in the universe?

Say the Earth, the Solar System, the Milky Way, what Orion, Ursa Major, this and that, Libra, Aquarius, how vast are these ranges, so vast that you have fresh water on Earth, you have life on Earth, people don't have it, it's unlikely.

It is the "closest combination" of planets and stars to the Earth and the Sun ever discovered. Kepler-452b is the planet that is most similar to the Earth in shape and external environment, hence the name Earth.

It should exist, but humans haven't seen it yet.

It should be broadcast that the universe has detected a mysterious radio wave signal, and people speculate that it may be a signal sent by aliens.

Say the Earth, the Solar System, the Milky Way, what Orion, Ursa Major, this and that, Libra, Aquarius, how vast are these ranges, so vast that you have fresh water on Earth, you have life on Earth, people don't have it, it's unlikely.