The last human in the universe

Chapter 29 Guess
According to the worst-case scenario, that is, if all the members hide in the Pyrotechnic spacecraft, then first of all, it is necessary to determine what kind of materials should be brought up.

The first thing identified was food.

All kinds of food, meat, eggs, and vegetables must be brought into the spaceship.

At this moment, there is still about half a year before the arrival of that asteroid.During this time, enough crops in the planting plant grow to maturity, harvest, and then sow another round.Coupled with the materials stored in the warehouse before, it is almost enough to feed everyone for more than a year.

Of course, it is under the premise of implementing wartime control and strictly controlling intake.

"Then, from now on, wartime control will be implemented, and everyone will be given a fixed amount of food every day."

Zhao Changxing gave the order without hesitation.

After the disaster, when will the grain production capacity be restored, no one has a clear idea.That being the case, it is of course necessary to extend the support time as much as possible.

People nodded silently.

"The various sustaining materials in the Tinder spacecraft, especially water, must be replenished in advance."

The status of water is crucial.Not to mention drinking, after electrolysis, hydrogen can be used as fusion fuel, and oxygen can be used for breathing.The status of water is even more important than the status of food.

This article was also adopted.

"After that, there are all kinds of equipment that cannot be manufactured at this stage. Fusion generators, chips, 3D printers, precision machinery."

"If there is still space in the Pyro spacecraft, then bring a more energy-intensive and resource-intensive machine that is more difficult to manufacture."

……

Amidst people's discussions, a long list of items was quickly generated.

According to the overall plan, before the disaster strikes, people will take all kinds of supplies and hide in the spaceship in advance, and then spend about a month in the crowded spaceship, waiting for the disaster to subside completely, and waiting for the restless Seid Star Na regained its calm—in fact, the time for Star Sedna to completely recover its calm may be calculated in units of a hundred years, but people obviously can't wait that long.Generally speaking, when calm is restored, we must hurry down and start advancing to the next step, otherwise everyone will starve to death.

When it is possible to land on Sedna, people must start building planting bases as soon as possible, and go all out to restore food production, and it must be completed within a year.After all, people still need to allow time for crops to grow.

During this period of time, everyone still has to return to the Ignition spacecraft to spend the rest time.Because obviously there would be no place for people to rest on Sedna.

If all goes well, the new plantation workshop can barely take on the responsibility of supplying food before the food reserves are exhausted.With a continuous food supply, we can talk about the next step.

But... In the process of overthrowing everything and starting over again, no one knows whether it is possible to build a planting base with a total area of ​​at least 5000 square meters in one year.

This time around, there won't be enough modular building materials for people to use.

"Let's dismantle the No. [-] comprehensive base first." Zhao Changxing loudly made arrangements: "The rest of the bases can still function for the time being."

No matter whether you can find a way in the end, you can't go wrong if you do things first.It's a big deal to waste a little more time, and it will be assembled later.

"Captain, the latest observation data has been generated."

Xiaoxi's voice came out.

"Go ahead."

"The mass of the asteroid has been determined. Its mass is 4.3 million tons, with an error of 200 million tons. The surface temperature is 22K..."

22K is about minus 251 degrees Celsius.

The mass of 4.3 million tons is much lower than the originally estimated mass of 6 million tons.However, this difference in quality will not make any difference in the consequences of the impact—just like jumping from a 20-story building and jumping from a 15-story building, the ending is the same.It's just that this number still aroused Zhao Changxing's doubts.

"How can the mass difference be so large? Also, how can its temperature be so high?"

For comparison, Sedna's average surface temperature is only about 12K.This temperature also represents the general temperature of stars so far from the sun.

"Sorry Captain, I don't know."

Zhao Changxing thought for a while and said, "Do you have the latest photos? The ones with higher resolution."

At this moment, the asteroid is still about 500 million kilometers away from Sedna.At this distance, it is theoretically possible to take pictures with higher resolution.Although the sun is weak here, it is dark.

"Good captain."

A picture was directly projected in front of everyone by Xiaoxi controlling the projector.

Zhao Changxing had seen its picture before, but this time it was more clear.

"Is it hollow?" Zhao Changxing asked, "Otherwise, how could it be so light?"

The so-called light is relative to its volume.Its density is too low, and for the surface material composition that has been observed so far, its density should be more than that low.

Since there is a contradiction, it can only be considered as hollow, so that it can be explained.However, if its internal density is so low, why doesn't its volume shrink?

Even such a small asteroid has its own gravity.If there are gaps inside it, macroscopically speaking, under its own gravity, it will definitely fill these gaps.

But now it is clear that there is a contradiction.

This is strange.

Zhao Changxing made a note of this doubt.

"Everyone go get ready."

After arranging some people to do preliminary preparations, Zhao Changxing and the few people who performed better during this period stayed and began to discuss whether they could find a way to avoid the collision on the current basis.

After all, decades of hard work have been devoted to this planet Sedna.No one is willing to give up these things unless it is a last resort or the last moment.

But more than an hour of discussion yielded nothing.People have not found any possibility to prevent the asteroid from hitting.

The rest seemed to have resigned themselves to their fate, giving up hope entirely.Only Zhao Changxing was still thinking about it.

The next day, the dismantling of the No. [-] comprehensive base had already begun.Zhao Changxing led the people to the base where the frame had been completed and only some core components could be put into operation. They stood and watched for a long time.

People seem to instinctively resist the next demolition work from the bottom of their hearts.

"Cheer up!" Zhao Changxing yelled: "If you don't go to the old one, you won't get the new one. We will build a bigger and better one in the future! Everyone will have their own independent house, with a living room and a kitchen. The one with the bathroom!"

"When we were on Earth, people lived in that kind of houses. Some houses have lawns and gardens. When spring comes, the flowers are all in bloom. They are colorful. It looks like, tsk tsk."

Everyone showed fascination.

"Work!"

Zhao Changxing strode forward, entered the interior of the base, and pulled out a sensor hard.

He took the lead while pumping up his energy, and the atmosphere finally became a little warmer.

After he didn't know how long he had been doing it, a question suddenly appeared in his mind.

"Why is the temperature of this asteroid so high and its density so low?"

After thinking for a while, he really couldn't figure it out, so he gave up thinking about this issue.

But I don't know why, in the future work, this question will always pop up from time to time, making him think involuntarily and subconsciously.Like, like it's a scientist's or an engineer's instinct.

Although Zhao Changxing has been doing rough work these years, he seems to have nothing in common with scientific researchers who work with high-level research institutions all day long, but he is actually a real scientist. There is a very high reserve of knowledge.

In fact, every one of the astronauts who left the earth with Zhao Changxing to execute the Fire Project was like this.If they were not so good, it would be impossible for them to be selected through layers of selection.

"Why exactly?"

His thinking still failed to harvest anything.It is still the same sentence, the universe is full of wonders, if every question can be clarified, then human civilization has already dominated the entire universe.

He was seriously thinking about this problem in every spare time, deducing various possibilities, but every possibility was ruled out by him.Until one day, a person tried to walk through the isolation door with a package of things, but because of the vacuum environment, the air pressure caused the package to expand, and he could not pass through the isolation door, and then he had to deflate before finally walking through At that time, Zhao Changxing suddenly thought of a possibility.

"Could it be so? If so..."

Zhao Changxing murmured, his heart was suddenly full of fire.

Reason told him that this possibility is extremely low, but, but, if it is true, then, then...

"I'm going to do a field survey on that asteroid."

After finishing today's work, he told people about his plan.

This made people immediately puzzled.

"What are you going to do there?"

"The distance is still far away, and the Pylon spacecraft cannot move. Can it be supported by landing on the spacecraft alone?"

Zhao Changxing did not reveal his guess.He just said: "I'll go and see for myself, maybe I can find what we need there."

(End of this chapter)