With the help of science and technology, when mankind walked out of the earth and saw the vast universe, the plan to explore extraterrestrial civilization began. From the perspective of the vast universe, no matter from which aspect of the simulation, we can get a basically certain conclusion, that is, alien civilization exists.
Although theoretically speaking, the probability of the existence of alien civilization is almost 100%, but more than half a century has passed, not to mention the shadow of alien civilization, even the most primitive and simple extraterrestrial life we have not discovered. According to scientists’ conjecture, life should be a universal existence in the universe, and the number of extraterrestrial civilizations in the universe should not be small, and there is basically no doubt about the possibility of the existence of advanced civilizations.
If there are some powerful advanced civilizations in the universe, since mankind can’t discover them, can’t advanced civilizations also discover us? In the scientific research on alien civilization, Fermi put forward the famous “Fermi Paradox”. His view is that if alien civilization exists, then according to the age of 13.7 billion years of the universe, the existence of the universe is billions stronger than human beings. It’s not surprising that senior civilizations over the age of 10
Couldn’t such a powerful advanced civilization still discover the earth? But the reality is that we really haven’t found anything, even if it is a remote possible civilization signal, we haven’t received it. This is something that makes many people feel puzzled. Scientists have put forward different views on the Fermi Paradox. Some people think that the power gap between humans and alien civilizations is too great, and they don’t want to contact us at all.
Another point of view is that humans may be the most powerful civilization in the universe, and each other cannot discover the other’s existence. Of course, there are other points of view that also make possible conjectures about Fermi’s paradox. In fact, in addition to these conjectures, there is another possibility, that is, the position of the earth in the universe is very barren, too far away from the central civilization, and it is destined to be unable to contact.
Although human astronomical telescopes can observe very far away and can observe a large number of extrasolar galaxies, we basically have no idea what the whole universe is like. There must be a central area in the universe, and every large galaxy like the Milky Way has a central area. In this central region, in addition to a supermassive black hole, there are more dense stars.
Let’s take the Milky Way as an example. Its diameter is about 1.5 billion light-years, and the central area occupies more than a few light-years. In the most central area is a supermassive black hole, which is an area that will be swallowed up close. In addition to the center, there are a large number of stars distributed around the center, and these stars form different star systems.
We see that the galactic center is very bright. In addition to the existence of the black hole accretion disk, it is more of the radiant light emitted by the dense number of stars there. In the universe, the distance between stars is basically more than a few light-years. However, in the center of the Milky Way, the distribution of stars is very dense, and there may be many stars clustered together within a light-year.
There are such dense areas in the Milky Way, and naturally there are also relatively barren places. This place is where the solar system is located. A barren location means scarce resources. If civilization exists here, it will be very slow to develop. We all understand that once any civilization enters the age of technology, the demand for resources will become greater and greater.
After stepping out of the home planet and becoming a starry civilization, you will need more resources if you want to go further. Take human beings as an example. When we become a second-class civilization, if we want to go further, we need a huge energy supply. And this kind of energy demand can only be provided by the stellar sun, and if we want to make full use of the sun’s energy, we may need to build an energy absorbing device around the sun like the Dyson ball.
To build a simple Dyson sphere, the resources needed may have to pay for the resources of all planets in the entire solar system, including the earth. In other words, to build a simple Dyson sphere around the sun, the price to be paid is other planets in the entire solar system except the sun. If we want to develop further, and the resources around the solar system are relatively poor, then the pace of development of human civilization will be greatly slowed down.
It is for this reason that the places in the universe where advanced civilization can be born may be in relatively central locations with relatively concentrated resources. Compared with the solar system, the Milky Way is a huge galaxy, but for the entire universe, it is insignificant, and it may not even count as dust.
We all know that there is a vast interstellar space between galaxies. For example, there is 2.5 million light-years of interstellar space between the Milky Way and the Andromeda Galaxy. To travel from the Milky Way to the Andromeda Galaxy, we need to travel 2.5 million light years in interstellar space. We can imagine that even if flying at the speed of light, it would take 2.5 million years to cross this distance.
If the earth is in a very remote and barren location in the universe, then within a certain range of this location, there may be no other civilizations at all. And this range may be the entire galaxy or even larger. If the galaxy has only humans as a civilization or even the local galaxy group has only humans as a civilization, then it is very difficult for advanced civilizations to discover the earth or even come to the earth. .
Some people might say that the Milky Way has a diameter of 150,000 light-years and has tens of billions of terrestrial planets, and the diameter of the local galaxy has reached hundreds of millions of light-years. What wide range of selfishness may only be the intelligent civilization of mankind? Although it sounds absurd, if we truly understand the vastness of the universe, this possibility is not without it.
From the perspective of the vast universe, the local galaxy group is just a dust of it. It may be very far away from the center of the universe, ranging from hundreds of millions of light-years to more than tens of billions of light-years. If an advanced civilization is tens of billions of light years away from the earth, it may be difficult to discover the earth unless the advanced civilization sends a spacecraft across the starry sky to the solar system.
But for advanced civilizations, tens of billions of light-years is also a very long distance, and it takes a long time to shuttle once. Under this circumstance, advanced civilizations will naturally not expend energy to explore and find humans here in the galaxy. This may also be an important reason why we cannot discover alien civilizations.
Of course, this is not necessarily a bad thing for human civilization. If the solar system is in the center of the universe, although a large number of various intelligent civilizations may be seen, humans may have more problems to face. It is possible that human civilization will be targeted by other powerful civilizations before it has truly developed, and will either become a subsidiary civilization of this civilization or be eliminated and terminated by other civilizations.
Now that we are in a barren space in the universe, we don’t have to worry about being discovered by alien civilizations, so we can continue to develop technology. Although we develop our efforts alone, the progress of science and technology may be very slow, but as long as we give human civilization enough time, one day we will become an advanced civilization. At that time, we can go out and go to the center of the universe to develop in the prosperous civilization.
Only strong strength is the basis for human beings to contact alien civilization. If there is no strong strength, contact with alien civilization rashly, for human civilization, may not be a blessing but a curse.