The last human in the universe

Chapter 1 The Tinder Project
"Uh……"

In the hibernation chamber of the "Tinder" spacecraft, a hibernation cabin door was slowly opened, and Zhao Changxing, who was lying in it, slowly regained consciousness.

He sat up slowly, looked around in a daze, and saw that there were nineteen other hibernation cabins near him, but none of their doors had been opened.

"Captain, welcome to wake up."

The neutral voice of Xiaoxi, the artificial intelligence of the spaceship, came over.

Zhao Changxing recovered for a while, resisted the discomfort in his body, and asked: "The voyage, is the voyage over?"

"Yes. At this moment, there is still half a month's flight away from the target, and the scheduled wake-up time has been reached."

Zhao Changxing felt lost.

It turns out that 55 years have passed...

Recalling the scene when I and my companions set foot on the voyage under the blessing of the human world 55 years ago and started to carry out the mission of continuing human civilization, it seems like it was just yesterday.But in the blink of an eye, decades have passed.

"They...why didn't they wake up?"

Zhao Changxing pointed to his companions.

"Unfortunately, after I performed the wake-up operation, you were the only one who woke up."

Zhao Changxing was startled.

If they can't wake up, it means that they will never be able to wake up.

A life lost cannot be regained.

Hibernation technology was developed hastily by human civilization, and it is immature.Before entering hibernation, I and my companions were already mentally prepared to sleep and never wake up again.But he didn't expect that at the end of the voyage, he would be the only one who woke up successfully.

Zhao Changxing was silent for a moment and had to accept the result.

"Then... what about our civilization?"

Xiaoxi said: "I received the last message from Earth 19 years ago, and I haven't received it since then."

There is a screen above the hibernation pod.The next moment, the last message Xiaoxi received appeared on the screen.

That's a piece of text.

"Affected by the gravitational disturbance in the process of the black hole swallowing the sun, an asteroid with a diameter of more than seven kilometers will hit the earth in a month. It is estimated that this impact will trigger a global earthquake. If there is no miracle, we will All survivors will die in this impact. This will be the last message from our Earth base to you.

It is with all sincerity that we pray that some of you will read this letter.If anyone can see it, then, on behalf of all the survivors and victims on our planet, I extend my best wishes to you or you.I wish you have arrived at your destination smoothly at this moment, wish that the "Tinder" spacecraft is running normally, wish your follow-up work all goes well, wish you can successfully continue our civilization, and wish our human civilization can step into the universe galaxy one day , no longer fear these disasters.

We will bless you on Earth until the very end.May civilization last forever and sparks never go out. "

A huge sense of unreality enveloped Zhao Changxing.Although he had anticipated this situation before he began to hibernate.

"I, I... am I the last human being alive in this universe?"

"It should be." Xiaoxi said, "Of course, if you want, you can breed more humans at any time. The sperm bank and egg bank on the spaceship are still well preserved."

Zhao Changxing waved his hands feebly and remained silent for a long time.

This disaster originated nearly a hundred years ago.

At that time, human astronomers observed some abnormal gravitational disturbances, and it seemed that some external gravitational source was pulling these celestial bodies in the inner solar system, but people searched repeatedly, but did not find any celestial bodies near the calculated coordinate points.It was not until the observation equipment was continuously upgraded that people finally determined that it was a black hole.

A tiny black hole about 1.5 times the mass of Earth.

People don't know where it came from, and what disturbances it received before rushing into the solar system. People only know that it will eventually rush to the sun and swallow the sun completely.In this process, the gravitational chaos of the galaxy caused by mass transfer, the radiation emitted by the black hole devouring the sun's mass, and the radiation erupted by the "struggle" of the sun will make the entire inner solar system no longer suitable for human survival.

Not even hiding underground.The gravitational chaos will cause a large number of asteroids, comets, etc. to rush into the inner solar system, and continuously hit all the big planets including the earth.The violent earthquakes and volcanic eruptions caused by them will kill all the people hiding in the ground.

The demise of human civilization is a foregone conclusion.And people are not willing to call a curtain call from the cosmic stage.

Led by the Civilization Management Committee, countless scientists and engineers have invested in the "Tinder" project. It took 30 years to finally create the "Tinder" spacecraft where Zhao Changxing and other [-] astronauts are currently located.

It is loaded with sperm banks and egg banks enough to breed millions of people, hundreds of thousands of seeds and millions of frozen animal embryos, and more samples of bacteria and viruses, as well as the newly developed nuclear fusion engine and Ion and conventional hybrid thrusters, the most efficient water circulation and thermal circulation systems, soilless cultivation plantations, almost fully automatic livestock farms, artificial intelligence medical centers and other facilities.

The inner solar system cannot stay, and interstellar travel is unrealistic for the current level of human technology.The only possible continuation of human civilization is the distant trans-Neptunian celestial body.Although it is cold, dead silent, and lacks light, there is still hope for the most advanced human technology to build a base there, slowly multiply the population, and slowly expand the homeland.

Given time, maybe there will really be a place for the revival of human civilization.

The target chosen by the Tinder spacecraft is a star that is 114 billion kilometers away from the sun at the closest point, and 775 billion kilometers away at the farthest point, with a diameter of only about 1000 kilometers and a mass only about one-73rd that of the moon. a distant planet.This planet, which people number as asteroid 90377, is also known as Sedna.

It is one of the most distant known solar system planets from the sun to reach hydrostatic equilibrium.It is so far away that the influence of the radiation released by the sun during the process of being swallowed by the black hole is minimized.

Because it is too empty, the possibility of being hit by an asteroid is also very low.In addition, its surface is rich in tholin - a mixture of simple structural organic substances such as methane and ethane formed by ultraviolet irradiation, which can be used as fuel, as well as a considerable amount of water ice, and further observations show that supporting a Most of the various raw materials required by civilization for the industrialization process have considerable content, and people finally selected it as the destination of the fire plan.

Of course, it is still too small compared to the earth to support a prosperous civilization, but even if everything goes well, the fire of human civilization that has just migrated there will spend the initial stage of civilization development there - the population exceeds 1000 million ——At that time, hundreds to thousands of years may have passed from this moment, and human scientists at this stage really cannot predict what will happen at that time, and it is up to the people at that time to decide how to choose the follow-up.

Now, the Tinder spacecraft is about to reach its destination.And Zhao Changxing became probably the only human being in the entire universe.

"Captain, during these years of voyage, our spaceship..."

"I'm going to take a break."

Zhao Changxing stopped Xiaoxi from continuing.After that, he staggered out of the hibernation cabin and came to his lounge.

He stayed in the lounge for five full days.During these five days, while recovering his body, he made psychological adjustments, and received psychological treatment through the interactive video made by the top psychologists on the earth.

To accept the current situation is not easy even for Zhao Changxing, who has passed the most rigorous psychological test before departure and has a mental quality that is so tough that ordinary people can't imagine.But he knew that he had to accept this situation as soon as possible and adjust his mentality.You must be in good spirits, full of confidence, positive and optimistic, and determined.Because only in this way can I hope to complete the task of continuing human civilization.

So five days later, when Zhao Changxing left his lounge, the person who was once familiar to people was always confident and calm no matter what difficulties he encountered, as if he would not be knocked down by any difficulties, always full of energy, optimistic and positive, Zhao Changxing, who always had a faint smile on his mouth, came back.

"Xiaoxi, hello."

"Hello, Captain. It looks like you're in a good mood today."

"Of course. It's the first time that such a long-distance interstellar voyage has been successful. After 55 years of hibernation with immature hibernation technology, you can successfully wake up without any sequelae. Isn't that something to be happy about? All right, Xiaoxi, put Tell me everything that happened in those 55 years."

"Okay. Here's the situation..."

Xiaoxi's report was very long.Cooperating with the audio, video and written materials, Zhao Changxing finally figured out the overall situation of the spacecraft at the moment.

Because of an impact during the voyage, the main shaft of the spacecraft was seriously damaged. After decelerating into orbit this time and entering the orbit around Sedna, it will not be able to support another acceleration and deceleration action. The third layer was smashed by the asteroid. supplies are almost completely lost.Water, fusion fuel, oxygen reserves, and food reserves are all in an emergency. As for the rest of the components, there are gas leaks in some places, and small problems such as blockage of some circulation channels.

The main shaft of the spaceship was seriously damaged. This failure is not fatal for the time being.After all, after entering the orbit around Sedna, Zhao Changxing was not ready to leave in a short time.But the loss of materials in the third circle is more serious.

Because the food for the astronauts to survive is stored there.

Without food, Zhao Changxing would starve to death here.

"The situation is really bad." Zhao Changxing said to himself: "But it doesn't matter, there will always be a way."

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　　In addition, this book mainly talks about the development of civilization itself (technology and population size, etc.), and the confrontation with the outside world (natural or alien civilization), and will not describe too many things related to the interior of human civilization, such as social Structure, internal strife, power struggle, etc., will be briefly mentioned or simplified in these issues.

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(End of this chapter)