Reborn Tech Scholar

Chapter 360 Thinking About Aerospace

The news of Tianzhou-[-] was very hot, and the mainstream media reported it one after another, attracting the attention of the whole people. Even overseas, many people paid attention to the news of Tianzhou-[-].

Although overseas media always arrange Huaxia, so that overseas people see Huaxia as the same as decades ago, so that Huaxia represents poverty and backwardness in the minds of many people.But there are still sober people, especially those who have been to China, who are well aware of the rapid changes in China.

Therefore, these people are also paying attention to the news of Tianzhou-2.6. Once Tianzhou-[-] is successfully completed, it means that China will become the third country after the United States and Russia to master the ability to transport goods between heaven and earth. Cargo No. [-] is based on the technology research and development of Shenzhou spacecraft and Tiangong-[-]. It only transports goods but not people. The cargo carrying capacity will be [-] times that of the Russian Progress M unmanned cargo spacecraft. It is in the international leading position in terms of function and performance. advanced level.

At 4:20:19 seconds on April 41, the Long March 35.361 Yao-201 carrier rocket carrying the Tianzhou-603 cargo spacecraft was launched from station [-] of the China Wenchang Space Launch Site.About [-] seconds later, the spacecraft and the rocket successfully separated and entered the predetermined orbit, and the launch was a complete success.

The whole country is a sensation, the world is shaking!
The entire launch process was broadcast live, and Tianzhou-[-] entered the predetermined orbit, and clear photos were sent back to the earth.

"Great! Well done!" Qin Yuanqing was also watching the live broadcast, and when he saw the successful launch of Tianzhou-[-], he jumped up excitedly.

The successful launch means that Tianzhou-[-] has entered the second critical step, which is to complete the automatic rendezvous and docking with Tiangong-[-].The completion of this step means that the Tianzhou-[-] cargo spacecraft can officially transport cargo from the earth to the space station.

"Dad~~I want to be an astronaut in the future, and I want to build a spaceship~~" The baby girl pointed to the TV and said excitedly. She is only 4 years old, and she speaks in a childish voice, which is very fun.

"I want to~~I want to~~I want to go into space and become a space hero!" Son Xiong also jumped up excitedly.

Seeing the excitement of the two little guys, Qin Yuanqing was also very happy in his heart. He felt that his family education was still very successful, and the children would not think about being a star or a fresh meat, but would like to be an astronaut.

Nowadays, in the entertainment industry, small fresh meats are rampant, and the top traffic allows people to see the gold-absorbing ability of small fresh meats. Acting skills are not important, and poor singing skills are not important, as long as they are handsome, good-looking, and able to operate, it will be fine.If you don't have acting skills, you only need to count one, two, three, and you can rely on dubbing in the later stage, and you don't even need to do it yourself, just cut out the pictures.

"Okay, when you grow up, go build spaceships and become astronauts." Qin Yuanqing smiled happily, picked up a child in one hand, and kissed each other.

Playing around with the child, after eight o'clock, Qin Yuanqing told the child a story before going to bed, and after putting the child to sleep, Qin Yuanqing came to the balcony, looked up at the starry sky, and fell into deep thought.

The starry sky is full of stars. A star is a star. The vast universe is full of incomparable mystery. Human beings are full of expectations for the universe. Since ancient times, they have never heard of the imagination of the starry sky. Whether it is the East or the West, all the same.

But don’t look at the fact that human society has experienced three industrial revolutions, and productivity has increased significantly. In fact, human beings’ knowledge of the universe is very small. .

The United States is the only country that has landed on the moon. It has been nearly half a century since the last moon landing in December 1972.In the past half a century, NASA in the United States has never carried out moon landing activities. Although it has probes to detect Mars, it has also launched the "Voyager 12" probe, which has a very long flight distance.

But in fact, for the universe, these probes are still insignificant. To put it bluntly, although humans have already flown probes out of the solar system, the earth actually knows a lot about the moon that is the closest to the earth. Few, do not understand, let alone planets farther away.

Every once in a while, NASA always announces the discovery of an earth-like planet, which will be the future home of mankind, and then triggers some interstellar colonization. Science fiction writers are full of imagination. In the colonial era, go to the planet to mine and immigrate to alien planets.

But in fact, the current human technology is still far away from this step.

In 1964, the Soviet astronomer Nikolai Kardashev proposed to use energy levels to divide civilizations into three orders of magnitude: Type I, Type II, and Type III. A Type I civilization uses all the energy available on its home planet, a Type II civilization uses all the energy of the star its planet orbits, and a Type III civilization uses all the energy in its galaxy.

From this perspective, human civilization is now close to but not yet a Type I civilization.

And these three magnitude civilizations are also known as mother star civilization, planetary system civilization, and star system civilization.

According to the latest research, the civilization of the mother star refers to the civilization of this level with the planet as the core, which can dominate the sum of the energy of the entire planet, and no species can challenge the position of planetary hegemony.From Ru Mao drinking blood to the age of nuclear energy, all belong to the development stage of this level of civilization.The destruction methods of this civilization are also the most diverse, from infectious diseases, to wars, resource shortages, natural disasters, nuclear wars, and even asteroid or comet collisions, artificial intelligence rebellion, drastic changes in solar activity, etc., all have the ability to bring civilization to zero At present, the human beings on the earth have passed at least a few levels, at least to the link of nuclear war and artificial intelligence.

Planetary system civilization refers to the collection of all celestial bodies orbiting a certain star, including planets, satellites, asteroids, meteoroids, comets and cosmic dust.The solar system is a planetary system. This civilization has the ability to develop the resources of the entire galaxy, and can develop a planet to immigrate or settle in any galaxy. It will lead to zero civilization in the entire galaxy.

The civilization of the star system can shuttle back and forth between all the stars, the resources of the entire galaxy can be used at will, individuals can walk on the sun, and mechanical workers can hollow out the interior of an entire planet into a factory, and have already carried out preliminary interstellar civilization. The strength of the war, but the failure of the war, or the explosion of super high-energy stars, the big bang of the universe, after the consciousness dissipates, an explosion, or a whimper, will eventually perish.

So no matter from which point of view, human civilization on Earth is almost equivalent to a 0.5 mother star civilization, and there is still a long way to go before a truly complete mother star civilization.

At least for now, if human beings face a nuclear war, human civilization will basically come to an end.If an asteroid or a comet collides, human beings will just lie flat, do what they should do, and wait for everything to return to zero.

Qin Yuanqing was immersed in the system consciously, looking at the space shuttle in the system mall.The space shuttle is a reusable spacecraft that travels between space, the universe and the ground, combining the properties of an airplane and a spacecraft.It can take off vertically like a rocket, orbit like a spaceship, and land horizontally like an airplane.

At present, there are only a few space shuttles that appear on the earth, namely, the "Columbia" space shuttle of the United States, the "Challenger" space shuttle, the "Discovery" space shuttle, the "Atlantis" space shuttle and the Soviet Union's space shuttle. The space shuttle 'Blizzard'.

And these space shuttles undoubtedly carry about 7 astronauts, including 3 crew members and 4 scientific and technical experts. If they are crowded, they can take 8 astronauts.

In theory, the space shuttle is undoubtedly more advanced than the spacecraft.The spaceship is a returnable manned spacecraft for one-time use. It has a small volume and is limited by the amount of consumable materials carried. It does not have the ability to resupply and cannot be reused.The space shuttle is a winged and reusable spacecraft. It can not only send spacecraft such as artificial satellites into space on behalf of a launch vehicle, but also orbit like a manned spacecraft, and it can also fly in the atmosphere like an airplane. Gliding and landing, the space shuttle provides a very high tool for human beings to freely enter and exit space, greatly reducing the cost of space activities.

Of course, the spacecraft is not without its advantages, the biggest advantage is that it is cheap. After all, the space shuttle is too expensive, and a launch costs about 4.5 million US dollars, which is still the previous US dollars.And this reason is mainly because the technical immaturity makes the maintenance overhaul extremely complicated and expensive.Because the technology is immature and the system is too complex, the risk is high, as evidenced by the Challenger and Columbia accidents.

Although the spacecraft cannot be reused, it is much cheaper to recover it in a single launch, and the technology is much smaller than that of the space shuttle.

So at the beginning, Huaxia decided to carry out aerospace engineering independently. After weighing the pros and cons in the choice of space shuttle and spacecraft, it finally chose the spacecraft.It is precisely because of this that Huaxia has made rapid progress in spacecraft. In just a few years, it has carried out manned spaceflight and achieved a huge breakthrough.Today, Huaxia has launched several manned spaceflights, and has initially established a space station.

It can be said that if Huaxia chose the space shuttle at the beginning, then perhaps the space shuttle is far from being done by now, let alone sending people into space and building a space station.

Therefore, Huaxia's original choice was not wrong, it was a correct path.But now, I actually have to think about the development of the space shuttle. After all, compared with the space shuttle, the limitations of the spaceship are obvious, and once it has mature technology, the cost of using the space shuttle is indeed lower than that of the spaceship.

(End of this chapter)