Mankind is worthy of pride. In the 4.6 billion years since the birth of the earth, countless lives have appeared. Only human beings finally evolved into intelligent life and developed into the current technological civilization.

When you look up at the sky, you feel that the earth is so small. Many people at this time would think that the universe is so big without any comment. Is the earth the only civilization? How many civilizations like the earth are there in the universe?

Seeing the vast universe, the self-confidence and pride that were once disappeared. From the perspective of the universe, the earth is too small. And human technology can't even go out of a small solar system, do we still feel powerful?

Regarding the civilization level of human beings, as early as the last century, Soviet scientist Nikolai Kardashev proposed the famous "Kardashov Index" cosmic civilization level classification standard. He classified the level of civilization according to this civilization level. Can be divided by energy technology.

First-class civilization, the civilization is the master of planetary energy, which means that they can dominate the sum of all energy on their planet.

According to this standard, the current level of human civilization can only be divided roughly to 0.8 level. Because mankind can use most of the earth's energy, but the resources in some places are still not available to mankind.

Even the Infinite Gravity Group has now begun to use nuclear fusion reactors with higher energy levels to provide energy on a large scale, but this does not mean that humans can really make full use of all the energy of the entire earth.

The second-level civilization can use all the energy of the star system, such as the theory of fully utilizing the energy of the central star mentioned in the famous Dyson sphere theory. This kind of energy utilization method can be achieved by the second-level civilization of.

The previous large-scale use of solar energy by mankind was only the most primitive use of stellar energy. In recent years, the Infinite Gravity Group’s “Space Energy Factory” program has begun to involve research on this level of civilization.

It’s just that even if the Infinite Gravity Group is located 120,000 kilometers away from the earth, it has successfully built two super solar power stations with a total area of ​​300,000 square meters, and can already deliver a large amount of energy to the moon to ensure that the long-term The two large bases on the moon during the half-month moon night can still maintain normal work, and can even send a certain amount of energy to the earth.

But such utilization efficiency is not particularly high. It is far from the energy that can fully use the entire sun. There are not too many problems to be solved.

Kuafu said that the accumulation of the foundation also has this factor in it. There is not enough time for the accumulation of technology, and it is almost impossible to achieve a breakthrough in the civilization level, even if it is Lei Tiantang.

The third level civilization can use the energy of a galaxy. The mark is that civilizations of this level can fly at the speed of light, or travel faster than light. This is also the technology that Lei Tiantang wants to master most, but they can see such a technology without having any clues until now. How difficult is it?

As for the fourth-level civilization, it can be called a god-level civilization. The fourth-level civilization can basically use the energy of the entire universe.

Of course, this is a relatively rough division. If you refine it a little bit, these four levels can be refined into 12 levels. Even so, the current level of human technology in this level has not broken through level 1.

0. Our earth civilization (zero-level civilization): equivalent to 0.8 level-one civilization, with space station technology, aerospace technology, and various physical theories at the preliminary stage, human beings have been able to initially look into space.

1. First level civilization: Immigration can only be carried out between planetary systems. And it can transform other planets, such as the moon and Mars, but they have not yet been able to colonize between star systems.

Even with the addition of the Infinite Gravity Group, the development of the Moon and Mars by mankind is still at the very beginning stage, and large-scale transformation and immigration operations are still very early.

Therefore, it is no problem for Kuafu to pour cold water on Lei Tiantang, because according to this standard, it is obviously impossible for human beings to reach the first level civilization. Human beings are still the poor zero-level civilization, but they are now qualified to break through to the first level. Level civilization, as for level 2 civilization, there is no need to think about it.

2. Second-level civilization: Immigration between neighboring star systems is now possible, and the range of activities is probably within 10 light-years. According to this standard, even the unmanned spacecraft launched by Lei Tian Tang to Kuafu has not left the solar system yet!

There is no place for the probe to reach, let alone immigration and things like that, even if it’s Lei Tiantang, they have completed the design and manufacture of the Earth spacecraft. It’s a question of whether they can quickly explore the star system around the solar system. This problem is not guaranteed yet ~lightnovelpub.net~ let alone what humans can reach level 2 civilization.

3. Level 3 Civilization: Basic navigation in Hanoi is now possible. Basic navigation can be carried out in the Milky Way as long as it is found. However, there are communication restrictions due to the long sailing time. The range of activity is about 100 light years.

It's not that you can't go farther, but that there is no need to go there. Even if you find something good, wanting to ship it back is not worth the gain.

4. Level 4 Civilization: Can initially use natural wormholes for navigation in Hanoi. This problem is currently the most troublesome problem for Lei Tiantang. You must know that the solar system is about 22,000 light-years away from the small black hole body!

Although they are all in the Milky Way, even if the spacecraft can fly at the speed of light or even faster than the speed of light at such a long distance, it is impossible to get there in the lifetime of the spacecraft from the side of the solar system. Flying at 10 times the speed of light faster than light, it will take about 2,200 years to arrive!

So the only thing they can do is to find a way to find natural wormholes or weak points in space, and see if they can reach the destination quickly by jumping directly, otherwise he can only wait here in the solar system.

If he leaves the earth for more than 2,000 years, even if he can live that long, he has successfully swallowed the body of the small black hole, and immediately returns to the earth. Then it will still be a problem whether the earth exists or not.

Even if the earth still exists fortunately, the changes in the vicissitudes of life for such a long time are enough to make everything that Lei Tiantang is familiar with disappear in the long river of history, then what is the point of his busy life to devour the small black hole body?

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