Everyone was naturally excited when they heard this.

After one hundred and fifty years of flight.

The vast majority of the people in the Huaxia are accustomed to this kind of life.

Even many people think this kind of life is very good.

Even if it flies forever, it's not a big deal.

But most people still hope to find a star system that will stop sooner.

After all, for most of the new generation of humans.

Haven't seen what the stars look like with their own eyes.

See for yourself what a vibrant planet looks like.

Just looking at videos and pictures is not enough.

So they all want to see what really happens.

Su Han looked at Dai Changxing, the first vice president of the Academy of Sciences, and said, "Changxing! What is the specific plan of the Academy of Sciences? ”

Dai Changxing said: "We have carried out many simulated docking exercises for stellar systems. The first step should be to determine which star system is the right choice for you. Through the observation of the dragon's eye, the team decided that it was better to choose a star system similar to the size of the sun.

Through the investigation of big data over the years, brown dwarfs and red dwarfs are small in size, although there are habitable zones, but the habitable zones are too small, and it is difficult to find terrestrial planets suitable for living organisms. Yellow dwarfs, on the other hand, have larger habitable zones and generally have several suitable terrestrial planets. As for the blue dwarf, although it has many resources, its stability is too poor, even if the habitable zone is large, I am afraid that it is not suitable for long-term stationing. So it's better to choose a yellow dwarf.

We have observed a yellow dwarf star with more than 10 terrestrial planets in the habitable zone. Moreover, this star is still in the main sequence stage, and its size, state and stability are very good.

It is believed that the entire galaxy is also rich in resources.

If we can find one such star to stay for a long time.

I believe that the resources for long-term development can definitely be guaranteed. ”

Su Han said: "But the question is whether the star system with a better environment will be targeted by other high-level alien civilizations." Or is there a higher alien civilization itself? You know, if we slow down now, we can't accelerate anymore. ”

Of course, everyone understood what Su Han meant.

The current Huaxia can be said to be like a frightened bird to a high-level alien civilization.

Last time, I was able to get out of the way.

I have to say that it is already a miracle.

If I do it again this time.

It's definitely fateful.

I didn't have my life.

Dai Changxing said: "We have also discussed this issue. Now we are in a relatively low star density. It should be at the base of the cantilever in the constellation of Silver Horse or Perseus. Theoretically, with such a sparse density of stars, it should be unlikely that there would be an advanced civilization. Of course, this is just speculation. If you want to be more secure, you can only choose smaller red and brown dwarfs. Of course, it is also possible to choose a yellow dwarf with a relatively small size. However, it is not advisable to choose a nascent star system with poor stability. The main concern is the instability of the nascent system. And now the key problem is that there aren't so many stars in the vicinity! So I'm afraid that there are not so many star systems to choose from. If the threshold is set too high, it may take a long time to fly to find a suitable star system. ”

Su Han said: "No matter what, safety first. It's better to be low-key and slow to develop! Nor can the entire Huaxia be put in danger. ”

Dai Changxing nodded and said, "I know!" Chairman. ”

Su Han said: "By the way, how is the construction of the reduction cabin?" How effective is the slowdown? ”

The reduction chamber is a new material developed by the Academy of Sciences based on the body tissue of the sail beast.

The strength of this material is much higher than that of conventional materials.

Able to withstand extremely large explosions.

It has been a key R&D project of the Academy of Sciences over the years.

Dai Changxing said: "The deceleration cabin has been debugged and constructed. It works very well. The deceleration effect is much better than the previous technology. What's more, the deceleration chamber uses a small nuclear bomb of 5,000 tons to slow it down. The average slowdown effect of each nuclear bomb in the early stage may not be obvious, but it will gradually increase in the later stage. The energy rate is sufficient to meet the design criteria. ”

Su Han said: "How about the concealment. I don't want to be a searchlight when I slow down. ”

In Su Han's view, the risk of deceleration is actually greater than the risk of acceleration.

Although the detonation of the nuclear bomb when accelerating is very obvious, even if there are high-level alien civilizations around to discover it, they have also rushed here, and their spaceship has long since disappeared.

But deceleration is different.

If you slow down and accelerate like that, and frequently detonate nuclear bombs, wouldn't it become a beacon if they flashed and flashed?

If there are also advanced alien civilizations in the nearby star system.

Will definitely come over to see the excitement.

At that time, won't the Huaxia be caught in an urn?

So over the years, the Academy of Sciences has been redesigning the Huaxia deceleration system.

Strive to reduce the searchlight effect to a minimum.

so as not to attract the attention of higher alien civilizations.

Dai Changxing said: "The brightness of a deceleration nuclear bomb is only 20 percent, which is uncontrollable. But 20 percent of this brightness is mostly concentrated in the straight-line distance of the star system. That is, within the scope of our target star system. So it shouldn't be a big problem. Unless the star system we are going to also has a high alien civilization. I think this is still very unlikely. ”

Su Han said: "How long will it take to slow down?" Have you done the math? ”

Dai Changxing said: "It's about eleven or twelve years. The main thing is that the yield of detonation of decelerating nuclear bombs is smaller. It can take a little longer. However, with precise control, it should be able to ensure accurate entry into a star system and complete the docking within thirteen years. ”

Su Han nodded and said, "Very good!" Then you should hurry up and plan to implement one. The target star system must be finalized within a few years, and the deceleration must be completed within twenty years. ”

……

The Academy of Sciences had a plan and immediately began to implement it.

The Academy of Sciences has conducted a careful survey of all star systems within a hundred light-years.

It took the Academy of Sciences two full years to finalize the target planet.

It is a red dwarf star ten light-years away.

This red dwarf star is almost at the outermost edge of the bottom of the galactic disk of the Milky Way.

There aren't many star systems in a straight line.

Therefore, even if the detonation of the nuclear bomb is slowed down, the light leaking will not be detected.

What's more, this star system has five planets.

There are three planets in the habitable zone alone.

It is definitely a high-quality planet in a star system of this level.

……

The next step for the Huaxia is to adjust its direction.

Since Huaxia has reached 98.2 percent of the speed of light.

It's not easy to change direction.

It took more than two years to adjust even a little bit before and after.

……

The next thing is to start slowing down.

At this time, the Huaxia had completed its attitude correction.

The entire ship turned around.

Ass flies forward.