The cold Siberian nights are finally over. ±, the weather is sunny today, the sky is blue, and the fragrant smell of Lake Baikal seems to be smelling in the slightly blowing air. The downside is that it's too cold.

After breakfast, Zhao Huasheng sat in his tent and looked at some materials casually. After half a ring, Zhao Huasheng called out: "Meng Zhuo? ”

Mondror lifted the curtain and walked in, "I'm here." ”

"Let's go." Zhao Huasheng said, "It's time to go back." ”

"Where are you going?"

Zhao Huasheng pondered for a moment and said, "Let's go to Equator City." ”

Equatorial City is not actually a city, it is even larger than a country. Among the newly demarcated geographical regions, the government has divided all the seas, mountains, and landmasses that belong to the tropical region within the city of Equator. It is a vast area with the equator as the center, starting from the equator and extending 2,500 kilometers from south to north, with a total width of 5,000 kilometers. The total area of this area is 200 million square kilometers, which of course includes mountains, deserts, oceans and many other uninhabitable terrains. After these places are removed, there are less than 40 million square kilometers of habitable area.

All human resources and building capacity are tilted towards these 40 million square kilometers of land.

"Okay, I'll arrange it." Mondra nodded, and turned to leave.

"Let someone else make the arrangements, Monjo, I have something to ask you." Zhao Huasheng said.

Meng Zhuo gave instructions to the rest of the staff, and then returned to Zhao Huasheng's tent.

"In the intervening time...... Where has our human society progressed in the study of the sun? Is there anything you need me to know? ”

"A lot has happened in just over the course of a month." Meng Zhuo nodded and said, "Let's talk about solar exploration first. Thanks to the efforts of many telescopes, probes and scientists, we have preliminarily elucidated the physical process of the emergence of low-temperature material belts on the surface of the sun, and even reproduced this process in the physics laboratory. ”

"Oh? How could there be such a huge breakthrough? Hurry up and show me the relevant information. ”

Mondra nodded. It seemed that he had expected Zhao Huasheng to have such a problem, so he prepared the relevant materials early in the morning. After Zhao Huasheng made a request, Meng Zhuo touched it from his arms, then took out a stack of materials and handed it to Zhao Huasheng.

Zhao Huasheng read this information in about half an hour.

The reaction process, physical equations and reaction models are listed in detail on the data, and with Zhao Huasheng's scientific literacy, it is not difficult to understand this information.

To put it simply, the physical process goes like this: in the extreme environment of the sun's surface, rarefied matter can also undergo nuclear fusion reactions. It's just that this fusion is different from the core fusion that supports the sun's combustion heat. It does not use hydrogen or helium as a fusion feedstock, but from elements that are heavier than these two elements.

In a fusion reaction chain, elements lighter than iron fuse to release energy, and heavier elements than iron, including iron, absorb energy by fusion. Of course, this is under normal conditions, and the process of nuclear fusion that takes place on the surface of the Sun at the moment is different. Although the raw materials involved in fusion are lighter than iron, they also absorb energy, rather than release it.

This fusion mode has been named "inverse fusion" by physicists.

As for why such a thing as reverse fusion occurs, it involves the difficult and obscure physical mechanisms of the microscopic world, which physicists do not yet understand. They just know that reverse fusion does exist and that it's happening above the surface of the sun.

The triggers for reverse fusion may be related to the movement of certain matter on the surface of the Sun, a strong magnetic field, and possibly many other extremely harsh conditions. Physicists don't know exactly what the conditions are, but one thing is for sure, this kind of reverse fusion process is so rare that it is so rare that it is the only one on the sun of the tens of millions of stars that the heavens have observed so far.

Then what is happening on the sun today can be explained by a reasonable explanation. It is true that the mass of the sun has not decreased, the volume has not changed, and the pressure has not changed, only because of the anti-fusion event on the surface of the sun, the energy radiated by the sun is absorbed by the "anti-fusion layer", so the level of solar radiation has decreased.

But this brings up three new problems. The first of these three questions is, what is the first driving force?

What is driving this antifusion phenomenon on the surface of the Sun? According to physicists, the conditions for the reverse fusion reaction are so harsh that physicists have spent endless effort to reproduce this phenomenon only three times in the laboratory, which means that the probability of spontaneous occurrence of this phenomenon in the natural environment is too low.

On the basis of the information that Zhao Huasheng saw, a physicist vividly described the probability of the natural occurrence of reverse fusion: "This is like we walked into a primeval jungle that has not been set foot by humans for tens of millions of years, but unexpectedly found that there happened to be a tree there that grew into the appearance of a "family" brand wardrobe, we opened the wardrobe door, and even found that even the partition and clothes pole in the wardrobe had grown. ”

This is a negligible odds. Then the question arises, why does it appear on the sun since humans have never found this phenomenon on other stars in the universe? Is this a coincidence, or is there some force behind it?

The second question is, what forces are sustaining the existence of reverse fusion?

Based on the limited knowledge available about the phenomenon of reverse fusion, physicists can already be sure that there are many conditions required to maintain the existence of reverse fusion. Even if it does appear above the sun, it will not last long. Just like a house, if no one cleans it, it can't always be as clean as new. So, what is it that makes the reverse fusion layer not only persist but also extend to envelop almost the entire sun?

Another physicist left a quote on top of the document: "This seems to mean the existence of aliens." I'd rather believe that these things were done by aliens than that they appeared naturally on the sun and then evolved into something that was so big. ”

The third question is, where does the energy absorbed by reverse fusion go?

Reverse fusion also forms new elements, but this element is very unstable, it can only exist in the natural environment for a very short time, and then it will burst out, releasing all the absorbed energy and returning to the original element. That is, in general, reverse fusion does not absorb energy, nor does it release energy. It's just storing energy in itself for a while and then releasing it.

But...... Why has the release of energy never been observed above the sun? Where did all the lost energy go?

Zhao Huasheng closed the folder and said thoughtfully: "This is a very ideal Dyson sphere model. Think about it, if we could artificially create such an antifusion layer, and then have a way to collect and preserve that "anti-matter", the stars would become an inexhaustible source of energy for us. Perhaps in the future, our spacecraft will no longer need any chemical and nuclear fuel, and just a few anti-materials will be able to complete the interstellar voyage that we dare not think of now. ”

"So, what do you think?" Mondra asked.

"I don't have a opinion." Zhao Huasheng put down the folder and stood up: "The existence of the reverse fusion layer hints at the existence of an alien super civilization in many ways, this alien super civilization has reached at least the K2 level, and they have taken a fancy to the sun, so they have arranged a Dyson sphere outside the sun to collect the sun's energy for their own use." As for why the sun was chosen - who knows? Maybe there's something special about the sun. ”

"There's little value in that argument." Meng Zhuo shook his head and said: "After confirming the existence of the reverse fusion layer and the related physical mechanism, many scientists in the scientific research department of the crisis management center also believe that this is the work of an alien super civilization, and even some optical and radio telescopes have been divided to search for possible alien civilization spaceships and signals, but human beings don't care about these things, human beings only care about how to solve the current problems." ”

"There have been a number of physicists, social psychologists, science fiction writers, and others who have formed a group that is discussing why this K2-class civilization simply ignores us and does not contact us, whether we should take the initiative to contact them, and what kind of attitude we should use to contact them. Scientists are still speculating about the social model and culture of a possible K2-class civilization, and how to convince them to spare the sun, how to contact them, and whether contact will provoke them and lead to the destruction of the planet. ”

"There are more experts evaluating the information that Richie has left behind and the role you will play in this incident. Combined with previous information, experts believe that Li Qi had contact with this K2-level civilization a long time ago, and then secretly found the weakness of this K2-level civilization, and then told you the way to defeat this K2-level civilization by hinting. ”

"That's right, they're doing that right now." Meng Zhuo spread his hands at Zhao Huasheng.