Humans have the ability to build Dyson, do they still need the energy of the sun?
Author:Space -time communication Time:2022.08.14
This article is based on answering questions from netizens, see the screenshot:
First understand what is Dyson.
Dyson's theory is a theory founded by American physicist and mathematician Frirman Dyson, who was once Einstein assistant. He believes that energy is the most important catalyst in the process of civilization. When scientific and technological civilization develops to a certain stage, the energy of simultaneous depending on parent stars cannot achieve civilization improvement. At this time, only the maximum seizing star energy can continue to improve the level of civilization.
To put it simply, it is to build a huge ball shell to wrap the stars depended on civilization and collect all or most of the stars radiation energy. energy of. Later, people called the Dyson ball that wrapped the sun.
This theory echoes the three -level civilization theory of the universe proposed by the former Soviet scientist Caldashev. He divides the cosmic civilization into three levels, and the sign of measured these civilizations is the energy that the civilized body can control and consumes: the total energy that the first -level civilization can control and use must achieve all the energy of the star radiation to the mother asteroid; The total energy that can be controlled and utilized by the secondary civilization must achieve all the energy of the mother star radiation; the total energy that the third -level civilization can control and use must achieve the entire radiation energy of its own maternal galaxy.
It can be seen that the total amount of energy and utilization of the three -level civilization theory for different levels of civilization is a dynamic indicator, and different star systems require differently. Apply to the human civilization of the earth, reaches different levels of civilization, and control the ability to use energy to correspond to the solar radiation energy and the galaxy radiation energy.
The total energy of solar radiation is about 4*10^26j/s (4 multiplied at the 26th side of the 26th side coke ear/second); these energy sources are constantly radiating towards space, and the energy that the earth can receive only accounts for 2.2 billion points. First, it is about 1.8*10^17J/s; the total radiation energy of the Milky Way is about 100 billion times the sun, which is 4*10^37J/s.
Therefore, as a human beings to meet the first -level civilization standards of the universe, they can control the use of the total energy equivalent to the solar radiation to the earth. When the second -level civilization can control the use of the total energy equivalent to solar radiation. Equivalent to the total radiation energy of the entire galaxy.
What are the sources of human civilization and its upgrade energy sources?
According to the total amount of energy that humans can control and use, according to the calculation of scientists, the total energy used by humans now uses about 2*10^13J/s, and the level of civilization is only 0.73. To reach the level of first -level civilization, it is necessary to increase the consumption of thousands of times on the existing basis. And the geomyochemical energy has shown signs of exhaustion. How can we get the huge energy needed to achieve first -level civilization? Scientists generally believe that only the controlling controlling nuclear fusion.
The fuel of controlling nuclear fusion is the homicide and 氚 of the hydrogen. These elements exist in the earth. The 氘 per liter of water can obtain the energy of about 300 liters of gasoline through the nuclear fusion. For commercial use, energy seems to be inexhaustible.
In fact, this is a great underestimation of the energy required for the upgrade of civilization. Even if the controlling nuclear fusion is successful, it can only achieve the energy required to upgrade the first -level civilization. Scientists estimate that it takes about 200 years of efforts to upgrade to first -level civilization, and the amount of energy will reach thousands of times.
From the upgrading of first -level civilization to second -level civilization, the energy demand should be at least 10 billion times on the basis of the present, and the number of horrible energy may be more than many people imagined on the basis of first -level civilization. At that time, where did such huge energy come from? Not only cannot be found on the earth, but to burn all the planets of the entire solar system as coal balls, or convert them into nuclear gathering fuels, it is impossible to reach the required energy.
Because the entire solar system, except for the sun, all celestial bodies, including eight major planets and several dwarf planets, hundreds of satellites, and all small celestial bodies and fragmented dust, which accounts for 0.14%of the quality of the entire solar system. 99.86%of the total quality of the solar system.
Therefore, only the energy of the solar energy can meet the needs of human upgrades to second -level civilization. The total radiation energy of the solar is exactly the sign of human beings to reach the level of secondary civilization. The best way to seize the solar energy is Dyson ball.
Of course, Dyson's ball is not only a choice such as a closed shell. Many scientists have made all kinds of ideas for the form of Dyson, such as Dyson Bubble, Dyson Cloud, etc. In detail, I won't be explained here.
No matter what method, Dyson ball is about near the earth's orbit, that is, the sun is based on the sun, and a spherical encirclement circle of about 150,000 to 200 million kilometers is built to block the sunlight and allow the obtained solar radiation area to reach or close to the earth. 2.2 billion times, and then transformed into available energy through nuclear fusion through the facilities on the Dyson ball. This is equivalent to getting all the sun or most of the radiation energy in order to meet the upgrade needs of secondary civilization.
Some scientists estimate that human beings need to work hard to achieve secondary civilization for 5,000 years. In other words, the construction of Dyson's ball will be completed within 5000 years, so that human beings can get the energy required to upgrade to second -level civilization. Some friends may ask, why do human civilization upgrade requires such a large energy? Some problems are not easy to understand, just like the ancients could not understand our current energy consumption. According to relevant data analysis and statistics, modern energy consumption is 2300 times that of early agricultural society. I dare not say that this statistics are accurate, but at least it can indicate that the demand for energy for each civilization is not a magnitude of magnitude.
So what kind of society will the secondary civilization be?
According to the idea of Caldashev's civilization level, reaching the level of first -level civilization, no longer afraid of any threat from the mother asteroid. As a human civilization, it is not afraid of any disaster from the earth, including any climate and geological disaster. What volcano The outbreak, earthquake, and tsunami are all cakes.
On the basis of now, it is necessary to consume thousands of times the energy consumption, which will be mainly used to control and control climate, geological activities, large -scale space activities, artificial intelligence and other industrial activities, global transportation systems that are constantly updated and upgraded, complete communication network systems, complete communication network systems , Research and popularization of human health and longevity, research on conscious upload and transfer, and so on.
The scope of human first -level civilization will be located in the solar system and colonizes other planets or satellites in the solar system, so that the basket of eggs of human beings will be stored in the baskets of several planets to prevent being destroyed when the natural disaster comes. The energy of realizing this class of civilization mainly relies on controllable nuclear fusion and solar technology.
When it reaches the level of secondary civilization, humans are no longer afraid of any disaster from the solar system, including the natural disaster that is not resistant to resistance now, including the outbreak of the solar, asteroid impact. The energy is mainly used in the needs of human beings to upgrade, including the healthy and longevity of human beings and the form of presence of existence, such as the existence of consciousness, and the needs of all kinds of great natural disasters and interstellar travel.
The scope of this class of civilization will reach the star system around the solar system, that is, flying out of the solar system, colonial star system. Within the solar system, because the Dyson ball has broken down all planets and even crushed dust, the solar system is empty, leaving only one sun and a huge spherical shell. Except for the exploration and colonization of the solar system, all the remaining humans live in a space city built by Dyson and live a new life we can't understand today.
The energy to realize this class of civilization is the energy of the solar. This energy is no longer the energy obtained by the solar collection and conversion device we understand today. Instead, the solar radiation is directly transformed into a nuclear concentration energy through the device on Dyson. Space vessels use this energy to fly to the distant interstellar, and people living on Dyson also rely on these energy to complete manufacturing and consumption.
Now, I will answer the question of the question master:
Building Dyson itself requires a huge amount of energy, materials, and engineering technology. Therefore, when a civilization really has this strength, the energy of a star or the zero of the energy that this civilization needs or the energy that can be controlled. So ... Dysons still need it?
In fact, this kind of understanding is wrong, or at least inaccurate, this is an underestimation of solar energy. Because human beings cannot obtain a huge energy than the solar energy within the solar system, no matter how difficult it is to build Dyson or other projects, it is impossible to consume more energy than the solar energy, that is, 4*10^26j /s.
This is the energy radiated by the sun in a second. According to statistics, the total global power consumption in 2021 was 2.84666 trillion kWh. 736 trillion of the power of Hiroshima atomic bombs exploded at the same time. The huge radiation energy of the sun is a 20 trillion times the total energy utilization of human energy use at this stage.
Therefore, there is no reason and unnecessary concern. The Dyson ball theory and civilization level theory were established in the 1960s and have been widely recognized by the scientific community. Since then, astronomers have been looking for overseas civilizations and basically use these theories. For example, through the huge astronomical telescopic scanning, see if there are any stars who are suspected of Dyson. Unfortunately, no exact evidence of such stars has been found so far.
However, whether it is the Dyson ball theory or the theory of civilization, it is a logical reasoning obtained by scientists based on observations and scientific accumulation, that is, a scientific conjecture. Whether the cosmic civilization really develops and upgrades like this? Whether the research on cosmic civilization will always follow this idea, or whether there will be new theories, it is unpredictable now.
Therefore, if I believe or not believe in Dyson, whether Dyson's ball can really build a successful construction, and it is completely possible to see the wisdom and wisdom, and there is no need to be too tangled. What do you think about this issue? Welcome to discuss reviews.
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