The Three-Body Problem: The Most Competent Wallfacer of All Time

Chapter 50 Space Civilization
Looking at the deep universe in front of him, Jiang Yu suddenly had a new understanding of the development of a civilization's space industry.

Most of the physics knowledge in his mind was obtained from "A Brief History of Time".

Although this popular science book is deep enough and thought-provoking, most of it is theoretical and philosophical knowledge.

But the aerospace industry is tangible, and it is the application of cutting-edge industries and technologies.

When Jiang Yu heard Yang Dong's description of the moon, he suddenly had a feeling of stepping from the clouds to the ground.

The last time humans landed on the moon was more than half a century ago.

In the past half century, apart from the steady advancement of the space industry in the East, the step that human beings took to take the earth in the last century has shrunk back.

As Yang Dong said, it's as if someone handed a ladder to human feet, and humans don't even know how to step on it.

Jiang Yu breathed a sigh of relief and did not continue to complain. After all, this result was caused by many factors, not simply the weakening of human desire to explore.

After all, the premise of having a desire to explore is to fill the stomach first.

Yang Dongdao: "The conditions for us to develop the space industry can be described as unique.

"As long as a few space ports are built in low-Earth orbit, it is completely possible to build the forward foundation to the moon.

"There are resources and fuel on the moon, and it is a natural foundation for advancing!"

Jiang Yu said: "This day will come."

Yang Dong was not as optimistic as Jiang Yu, and did not continue this topic. She pointed to the outside of the aircraft: "That is the small spaceship used by the Trisolarans to transport ice."

Jiang Yu only saw a huge icy asteroid, which he estimated to be hundreds of kilometers long.

After circling to the back of the asteroid, Jiang Yu saw a small cube-shaped spaceship docked in the middle of the back of the asteroid, as well as up, down, left, and right behind the asteroid.

Compared with asteroids, the size of the spaceship is too small. The length, width and height are only less than a dozen meters. If you don't look carefully, you can't see it at all.

Yang Dong explained: "After the 'Icing Spaceship' has calculated the orbit of the asteroid, it will be fixed at the rear of the asteroid and then change the orbit of the asteroid.

"After the initial acceleration, the spacecraft's engines are shut off, and after that it's just a matter of fine-tuning the asteroid's orbit, without using much fuel.

"For an asteroid of this size, it needs to be exploded in low-Earth orbit before it can be sent into the atmosphere in a smaller volume."

She paused and said: "I tried, but we can't get into the interior of these spaceships. We can only use the communicator to communicate with the NPC crew simply to understand how they operate."

Jiang Yu nodded. While feeling that the Trisolarans were stingy again, he understood why Yang Dong said that transporting ice from the universe was cheaper.

In the process of transporting ice, there is only the loss of the spacecraft itself, as well as supplies such as fuel and food. I don’t know if the Trisolarans will pay the crew members wages, and if so, they will add wages.

And if it is to mine the ice and snow on the Yongye surface, at least railway tracks, airports, roads and other facilities must be built.

It is difficult to think about building these things in the eternal night like winter.

Yang Dong sped up the speed of the game, and in the blink of an eye, the two of them, after three months of space voyage, were finally not far from the Trisolarans' "Far Fleet".

Yang Dong said: "There is a dense group of asteroids here, and the Trisolarans are planning to build a new advance base here.

"It still suffers from the lack of other planets. If there is a dwarf planet here, it will be much easier for them to deploy industries here.

"But now they can only put all their industries in space. Mining and forging are okay. Some fine processing is much more difficult in space than on a stable foundation.

"In comparison, it is more cost-effective to transport materials from Trisolaran to here, but I suggest that they obtain materials locally and not transport the resources of Trisolaran to such a long distance.

"They asked me why, I didn't say, do you know why?"

Jiang Yu nodded: "You are afraid that in the near future, the Trisolaran civilization will be destroyed again, but they have already sent a large amount of aerospace resources to the deep space.

"If future civilizations want to develop the aerospace industry, they will definitely be affected."

Yang Dong nodded: "Maybe it's because I've been in contact with the Trisolarans a lot, and I've also become cautious. It's the first time I have the idea that the resources of a planet are limited."

Jiang Yu said with a smile: "This idea is right, resources are limited."

"But this limitation is relative," Yang Dong explained: "In the solar system, the earth's resources are limited.

"For us on Earth, although it is limited, the base is too large, and we won't be able to use it up anytime soon."

She paused and said: "The Trisolaran is different, the galaxy is so barren, and there is only one planet in it.

"If too many resources on Trisolaran are used in space, and this round of civilization fails to fly out of its own galaxy, what will future civilizations use?
"That's the ultimate dead end!"

Jiang Yu followed Yang Dong's words: "This is another difficulty in the development of Trisolaran's aerospace industry."

While talking, the aircraft came close to the asteroid belt, and Jiang Yu saw the "far space fleet" of the Trisolarans and the new space city that had already been built.

The small transport spaceship shuttled back and forth between the ship and the space city, a busy scene.

Jiang Yu asked: "Since the Trisolarans have been able to build such a large-scale space fleet, do they have the idea of ​​colonizing outer space?"

"Not yet." Yang Dong said: "The spaceship of the Trisolarans can fly in the galaxy, but it is not enough to put it on the scale of the star system.

"The spacecraft they are using now is a nuclear mutation spacecraft, and there is no way to refuel during the flight between star systems.

"The speed of the spacecraft will become slower and slower during the long journey, and they will not be able to reach another galaxy at all."

Jiang Yu nodded. For now, this wave of civilization does not yet have the ability to colonize other galaxies.

Yang Dong pointed to the spherical iron frame in front of him and said: "It is said that there will be farmland, factories, and communities in this sky city, which is similar to the 'Dawn Belt'.

"The space city in the low-earth orbit of Trisolaran has not yet been able to achieve self-sufficiency in food. I estimate that most of the space inside the space city is reserved for the space industry.

"Only when this new space city is built can Trisolarans enter the threshold of space civilization."

After speaking, Yang Dong sped up the progress of the game.

The outer shell of the space city was gradually installed. Jiang Yu and Yang Dong only saw a boatload of materials being transported to the interior of the space city, and they didn't know what kind of construction was going on inside.

After more than ten years, the space city was finally completed.

In the empty space, this space city looks so small, but it looks so great.

After a brief celebration, the trisolarans started to get busy again.

Jiang Yu asked: "What are they going to do next?"

Yang Dong spread his hands: "I don't know, they have no plans for the next step."

Jiang Yu lamented that the Trisolarans are really impeccable in their work, and they are not even willing to disclose information that is only for reference.

At this moment, the group of asteroids not far from the new space city suddenly rushed towards the new space city like a herd of horses out of control.

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(End of this chapter)