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Human beings are the only intelligent beings relative to the earth, but this is not necessarily the case if we look at the universe. Beyond Earth, there may be extraterrestrial life, and extraterrestrial life is likely to have given birth to extraterrestrial civilizations. Scientists have argued about this for 2 centuries.
One of the scientists, named Fermi, inadvertently came up with the theory. It has aroused people's curiosity about extraterrestrial life. This theory, as I believe everyone knows, is the famous Fermi paradox.
The Fermi paradox is divided into three types in people's discussions, those who support the first believe that what we think of as extraterrestrial civilizations may not exist at all, and that people are purely scaring themselves, while those who support the second believe that extraterrestrial civilizations exist, but due to our current technological limitations, they cannot be found. Proponents of the last category argue that extraterrestrial civilizations actually exist, and that not only that, but they may be all around us.
And the "zoo theory" is a support for the second theory. Some astronomers have calculated the number of extraterrestrial civilizations in the galaxy we live in. According to this astronomer's formula, we found that in addition to our earth, there are almost a million other planets with intelligent life.
However, the number of millions is too large, even after layers of screening, a conservative estimate of 100,000.
And among the 100,000 planets, there is a great probability that a civilization higher than the earth can be born. Because of this, it makes it easier for people to accept the zoo theory. However, although scientists have come up with such impressive figures, according to our current exploration of the universe, no extraterrestrial life has been found, and even the Mars we are exploring now has no trace of life activity, let alone the emergence of extraterrestrial civilizations.
But if there really is an advanced civilization as the scientists above said, then there must be an advanced civilization that has mastered the technology of interstellar travel. So if we humans have such technology, we will definitely travel across the stars to find out if there is extraterrestrial life. But strangely, we haven't found any aliens yet.
If aliens really think of Earth as a zoo, then we should be able to spot them when they look at us.
Perhaps aliens have shielded us from our explorers for them, and they have used our Earth as a laboratory in order to find out the origins of life. If this is the purpose, there is a reasonable explanation for the fact that aliens do not appear before our eyes. Because once they appear, it will cause a butterfly effect, which will lead to the failure of the experiment.
In order not to fail the experiment, they may have brought life spores to Earth by means of a comet hitting Earth.
And such experiments may have been practiced on many planets. Perhaps the planets near us have also been experimented, but only the special planet Earth, where life was born. Of course, in order to obtain better data, they may observe the state of the test subject through their own unique aircraft.
They can observe our state even on their planet. That's why we can't find them.
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Personally, I think that advanced civilizations must exist, but with our current scientific means, they have not been able to detect them, but I think they should be able to be discovered with the upgrading of technology.
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I think that advanced civilizations must exist, after all, the universe is so big, it is impossible for only our earth to have life.
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Scientists have discovered that there is a super earth outside the solar system, and I think there should be an advanced civilization, there are countless planets and galaxies in the world, and there are more planets older than the earth, so there will be planets that breed different degrees of life like the earth, but our current planet can be too low to find it.
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It is possible that it exists, because some of the things that appear on the earth cannot be proved with current technology, and it is also very likely that they are left by advanced civilizations.
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Individuals believe that a high civilization exists. Recently, scientists have developed this terrestrial planet named TOI-561b, which came from a super-Earth 10 billion years ago. If it was once in the habitable zone, as a super earth, according to the evolution of life on the earth to simulate and speculate, then, before the solar system appeared, TOI-561b has appeared on the alien civilization similar to human civilization, their civilization span is at least 5 billion years, which means that they have long become the top civilization in the universe.
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Now it is simply not known. Because we humans still have very little exploration of the universe.
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Scientists have discovered a terrestrial planet in the solar system through the Kepler telescope, which is Kepler-186f, so what does this planet that scientists think may have given birth to advanced life looks like?
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The vast universe has always been the object of people's yearning and research, and with the continuous development of science and technology, people have also gone further in exploring the universe, and even discovered super earths. Super-Earths are simply some planets that are similar to the Earth's environment, and because these planets are very large, people call them super-Earths.
Due to the increasing population of the earth and the limited resources, it may be a long time before the resources on the earth will be exhausted by humans. Not only that, while consuming energy, human beings have also caused great damage to the earth's natural environment, such as emitting too many greenhouse gases, which has led to the melting of a large number of glaciers, which has seriously affected the ecological environment. In this case, human beings have been looking for planets that they can move to in the future for the sake of the future, which is also a plan for the survival of human beings.
Although through continuous exploration and research, super-Earths have finally been discovered, but scientists are very worried about this, fearing that there are more advanced civilizations than humans on these super-Earths. The main reason why scientists are so worried is that these advanced civilizations should be afraid. You must know that the universe is very large, and there may be many planets like the earth in the universe, but with the current technology of human beings, they have not been able to discover it.
It is likely that there will be more advanced civilizations than humans on these super-planets, and these civilizations may be much more advanced than humans in every way.
Scientists are worried about this, and if humans are accidentally discovered by advanced civilizations on other planets while exploring, it is likely to be a threat to humanity. You can think about it from another perspective, human beings have been constantly studying the super earth, so if there is really an advanced civilization on the super earth, it may also be studying human beings, and even have the idea of invading the earth. If this is the case, then the consequences are, of course, very dire.
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They are afraid of the existence of these alien civilizations, because these alien peoples will pose a greater threat to the Earth, and they will also cause damage to the Earth.
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Very afraid of the existence of other alien peoples, because these alien peoples will have a higher IQ than humans, and will also be more advanced than the civilization of Earth.
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I think what scares me the most is that there are other creatures besides humans, especially some species that are not well studied right now.
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I really don't know, I haven't understood, and many people have big questions about this issue.
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