Annihilation of the solar system

The spacecraft quickly found the second supply cabin. Its situation was similar to the first one, and it was also adsorbed to the surface of an asteroid. However, there was still no information from the earth in this supply cabin.

"Guys, did you receive the personal message?" Hank's voice from the shuttle came over the radio.

No one answered. Everyone was staring at the tablets on their arms, hoping that a miracle would happen.

"Hi! Are you still there?" Hank asked again.

"We have not received any personal information. I think it may be because when the earth enabled laser communications, the communication direction of the two supply cabins happened to be blocked by an asteroid." Communications Officer Laura said.

"Oh...well...can we find other supply pods?" Hank asked.

Everyone in the command module turned their attention to Lu Yuanzhou, and the crew members were waiting for his orders. The resources in the two supply compartments were enough to fill the cargo hold of the spacecraft, but the "mail" they wanted had not been received yet.

Lu Yuanzhou glanced at the countdown timer for Earth Attack Day, and then looked back at the direction of the Earth. From this distance, it was difficult to see the Earth with the naked eye. But he knew that she was there. As the farthest person from the Earth,

A group of people who understand the meaning of "a letter from home is worth ten thousand dollars" better than anyone in history.

"Continue to search for the supply cabin for three days. After the end, no matter what the result is, we must leave the asteroid belt." Lu Yuanzhou gave the order.

Everyone once again devoted themselves to searching for the supply cabin with great hope.

In the next two days, they found three more supply cabins closer to the inside of the asteroid ring, but there was no information from the Earth inside. The only thing they could do was to connect the five supply cabins they had discovered to

together, placed at a specific track location.

During the search, they found that the closer to the center of the asteroid ring, the smaller the mass of the asteroid, but the faster its revolution speed. This is consistent with Wang Xiaoge's prediction that there is a gravitational source in the center of the asteroid ring.

"The guidance signal of the last supply cabin has been received, but its position is very close to the core of the small nova ring. And according to the Doppler effect of radio waves, it seems to be moving at high speed around something." Communications Officer Laura said.

, her voice was far less excited than when she discovered the first few supply cabins.

"Let's go and have a look. We've found five already. It won't take much effort. Besides, it's necessary to find all the supply cabins so far away from the earth. Next, we may have to face the enemy."

Hank's words no longer had the usual stubbornness, but instead had a bit more of a request.

Lu Yuanzhou nodded silently, and the battleship quickly arrived at the inner edge of the asteroid ring. The ring structure of the asteroid belt could be clearly seen here, but the inner diameter of the ring was still very large. They looked at the surrounding objects that were only the size of a palm.

Ice cubes and meteorites are rapidly moving along circular orbits, and only fine dust remains closer to the core.

The vast area in the center is an endless transparent space. They are like a piece of sand looking at the entire ring from the inside. The meteorites and ice cubes on both sides have very obvious curvatures, and gradually become gray as they extend into the distance.

By that time, it was difficult to see the structure of the star ring with the naked eye, and the other end of the star ring seemed to have disappeared into space.

"Boy, your massive celestial body doesn't seem to be here, we didn't see anything." Hank joked.

"The radar can detect nothing except interstellar material and the supply module that is moving around the center of the ring. In the middle area with a diameter of 100,000 kilometers, there is almost nothing." Radar officer Sachiko Ono also said.

"Of course you can't see it, nor can you detect it. Because it is a Kerr-Newman black hole with a Schwarzschild radius of only 0.001 mm! It has only three properties: mass, angular momentum and charge. Without an accretion disk and

When relativistic jets occur, a black hole of this mass is extremely difficult to detect from a long distance." Wang Xiaoge said calmly while looking at the data on the computer in front of him.

Everyone was startled, and Hank was the first to laugh:

"Hahaha, a top student from MIT. Although I certainly don't know as much about black holes as you do, I also know that the black holes in the universe are either big ones in the center of galaxies. Or they are the product of the final stage of stellar evolution. The smallest ones are as big as the moon.

Bar."

Wang Xiaoge smiled slightly:

"Mr. First Officer, you are certainly right. In mainstream astronomical theory, there are only stellar black holes, medium-mass black holes and large-mass black holes. However, the conditions for the formation of black holes are not high mass, but high density.

Stephen Hawking proposed the theory of "primordial black holes" formed in the early days of the Big Bang in the 1970s. Their Schwarzschild radii are all below millimeters, which makes their detection extremely difficult. Many of them have Schwarzschild radii below millimeters.

Well-known physicists have predicted that there may be undiscovered "primordial black holes" hidden in the solar system. It seems that they are right."

Sachiko Ono looked at the empty radar screen and sighed:

"Oh my god, I can't imagine that there is a black hole that can swallow everything in the orbit of Saturn!"

"There is nothing to worry about, Miss Sachiko. This black hole has existed for at least 13.7 billion years and has not grown in size. This is because although it is extremely dense, its mass is very small. What the gravitational field range can do is

We see this before our eyes."

Wang Xiaoge pointed to the slowly rotating asteroid rings around him.

"Even if you put it inside Jupiter and let it eat up the entire planet, it won't have much impact on the solar system. It will just change its Schwarzschild radius to about 280 centimeters, and its gravitational range will be equivalent to Jupiter. It is so small.

With its mass, in the vast space of the universe, it is difficult to find enough to eat it into a stellar black hole, which is why it is still a 'primordial black hole' to this day."

"What about the last supply cabin?" Laura asked.

"According to my calculations, the supply cabin has entered the spiral orbit of falling into the black hole. Although this process is very slow and will take several years. But where the supply cabin is now, the escape velocity required to take it away is still

It has exceeded the shuttle's limit acceleration. This means that unless we drive the battleship directly over, there is no guarantee that we can escape after getting this supply cabin." Wang Xiaoge replied.

Everyone looked reluctantly at the empty space outside the porthole window. There was obviously nothing in the center. But the huge, rotating asteroid ring beside them confirmed that there was indeed something in the middle.

"Is there no other way?" Hank's tone was much lower.

"I know this is hard to accept, because your 'letters' may be recorded in the last supply cabin. Although I have no way to get to the supply cabin safely, I have a way to make the 'primordial black hole' appear before your eyes.

"Wang Xiaoge said.

"What can I do?" Hank asked.

"Use an electromagnetic railgun to fire a projectile at the black hole. The projectile will be extremely squeezed before entering the event horizon. This will emit a bright light on the surface of the black hole. According to my calculations, the frequency of this bright light is exactly in the visible light band.

, it should look white." Wang Xiaoge said.

The crew turned their attention to Lu Yuanzhou, who had been silent. He knew what the crew was thinking. They all needed a reason to convince themselves to say goodbye to the letter home that might be in the supply cabin, and then embark on the last journey that might not allow them to return.

.Lu Yuanzhou nodded slightly.

Weapons officer Fernando immediately opened the hatch of the electromagnetic gun and charged the superconducting capacitor with electricity. Then according to the spatial coordinates given by Wang Xiaoge, he fired a red cannonball toward the empty center of the asteroid ring.

Time passed by, and everyone drifted to the side of the porthole, staring at the void in the center of the star ring with wide eyes. After the countdown ended, a tiny light appeared in the center of the originally empty star ring.

.The light lasted for a short time, but was extremely bright, like a spark in the darkness.

But everyone saw it clearly, and the bright light shone in everyone's eyes. After the bright light, their eyes were filled with loneliness. Only Wang Xiaoge's eyes shone with suppressed excitement, but no one noticed him.

After a long time, Lu Yuanzhou took a deep breath, wiped away a trace of tears from the corner of his eyes and ordered:

"Let's set sail! Set course, orbit of Saturn!"