Homo sapiens.

Since it is parallel to the course of 1 AU above the ecliptic plane of the solar system, the asteroids here are very sparse, and the Qinglong class can move forward at high speed without frequent orbit changes.

A distance of 43 astronomical units.

It only took less than 75 days. This speed is relatively powerful among the first-level civilizations.

With the Qinglong class arriving above the ecliptic plane of the Cooper belt.

Yin Siyong frowned at this moment.

Because he saw a lot of asteroids.

The distribution of asteroids in the Kuiper belt is in a donut state, and not all of them are concentrated in the ecliptic plane.

Even in the void that is 1 astronomical unit above the ecliptic plane of the Kuiper belt, the density of asteroids here is dozens of times higher than that of other parallel passages sailed before.

For safety reasons, Yin Siyong could only step on the brakes in advance. At this time, the flight speed of the Qinglong class was only 300 kilometers per second, and it was still declining.

Especially after reaching the turning point, change the flight direction and fly towards the core area of ​​the Cooper belt. At this time, the speed of the Qinglong class is only 273 kilometers per second.

Even at this speed, there are still certain risks, and we must always pay attention to the trajectory of the asteroid within 100 million kilometers ahead.

If the existence of the asteroid is discovered within tens of thousands of kilometers, it may be too late to brake or adjust the flight direction.

"Report, a dwarf planet was found ahead! The distance is 382 million kilometers..."

"What?" Yin Siyong was very surprised. He hurriedly checked the star map and found that there was no record of this dwarf planet in the star map.

Michel turned to look at him: "Captain, what should I do?"

After thinking for a few seconds, Yin Siyong ordered, "Slow down and get closer to that dwarf planet."

"OK."

The secondary thrusters of the Qinglong class were quickly activated, and then began to reverse and decelerate evenly.

And as the Qinglong class and the dwarf planet continued to approach, the situation of this planet was also detected.

The dwarf planet has a diameter of 1036 kilometers, a near-spherical planet, ice-soil composition, a density equivalent to 44.7% of the moon, and an escape velocity of 1.541 kilometers per second. Due to its low methane and carbon dioxide atmosphere, its own reflectivity is extremely low .

Seeing these detection data, Yin Siyong suddenly realized: "No wonder this dwarf planet has not been discovered."

In fact, there are not a few detectors and artificial satellites of Homo sapiens in the Cooper belt. Currently, there are a total of 1733 detectors and artificial satellites in service in the Cooper belt.

This number seems to be very large, but the problem is that the diameter of the Kuiper belt is close to 10 AU, and the circumference is 270-310 AU.

An astronomical unit is the distance from the earth to the center of the sun.

The 1733 detectors and artificial satellites scattered on the Kuiper Belt are like dropping thousands of sonar detectors into the Pacific Ocean.

Probably the situation can be known, but it is wishful thinking to expect that it can thoroughly understand the details of the entire Cooper Belt.

It may be possible to increase this scale by another ten thousand times.

In fact, after Homo sapiens entered the Kuiper belt, it successively discovered 7 dwarf planets and 42 large asteroids.

Since this dwarf planet has not been discovered, Yin Siyong and others are naturally not polite.

After all, the first group to discover a star is qualified to name the star.

As time went by, the Qinglong class got closer and closer to the dwarf planet, until the speed of the Qinglong class dropped to 5 kilometers per second, and the distance between the two sides was only about 130 kilometers.

"Michelle, launch 3 satellites."

"OK."

The cabin on one side of the Qinglong-class hull opened, and three small launch vehicles flew towards the dwarf planet with artificial satellites.

About half an hour later, the three satellites successfully orbited the dwarf planet and sent back the first batch of images and detection data.

After discussing with the crew, Yin Siyong decided to name the dwarf planet "Courage Star".

Courage Star is not the same as other Pluto dwarf planets, which is why this dwarf planet has not been discovered.

But at this moment, they discovered some very strange data.

6 Chapter [-] Metal Cuboids

"What is this?" Yin Siyong looked at the results of the magnetic field scan, with a look of surprise on his face.

Through the magnetic field detectors of the three satellites, they have established a three-dimensional anatomical map of Valor.

But in this three-dimensional anatomy picture, some unexpected things appeared.

Several researchers on board also stared at the holographic anatomy map with frowning eyes.

In one of the valleys of Valor Star, there is a large "building", which is very in line with the characteristics of civilization creation.

Michel scratched his head and guessed, "Another spaceship or relic from an alien civilization?"

"A rectangular spaceship?" Yin Siyong carefully zoomed in on the picture.

I saw a metal cuboid with a length of 3.7 kilometers, a width of 425 meters, and a height of 257 meters, inserted in the formation of Valor Star.

This metal cuboid is very regular, and there are a lot of holes in it.

It's just that there is no nuclear reaction inside this thing, and there are even very few radioactive isotopes, so it doesn't look like a spaceship.

A researcher also felt very strange about this metal structure: "According to the law of metal formation, this thing is probably not formed naturally, but there is no trace of radioactive substances inside, which shows that this thing is not nuclear-powered and does not use Nuclear power, does this thing use chemical energy or solar energy?"

"Chemical energy? Solar energy? Isn't this incredible?" Another researcher does not think that chemical energy and solar energy can support spacecraft for interstellar travel.

One of the female researchers opened her mind: "Will antimatter energy be used? Or other vacuum zero-point energy?"

"Hehe...Annie, you are thinking too much. Civilizations that can use antimatter are almost quasi-second-level civilizations. Vacuum zero-point energy is a technology that only second-level civilizations can master."

"This metal structure is indeed very strange."

"Don't be surprised, send a report to the headquarters! The headquarters should send someone over quickly to support."

"That's true."

Soon several researchers discussed the disposal plan with Yin Siyong and others.

Through the synchronization server, they quickly reported the discovery of Valor Star.

In less than half an hour, the report came to the head of the Space Defense Department, and Li Qingye also knew about it.

Li Qingye has been working in the second Pangu world of Callisto through synchronous robots recently. When he received an urgent report, he immediately sent the heads of the Space Defense Department, Space Reconnaissance Department, Science Business Department, and Space Business Department through holographic projection. People are pulled into the absorption conference room.

He glanced at the crowd. Mikoyang, Hill, and Jiang Mingxuan were all at a loss, so he knew they didn't know about it, so he casually shared the file:

"You all read this report."

Hill realized immediately, after all, Li Qingye's sudden virtual meeting must be an emergency.

She quickly flipped through the pages, and after reading the report, Hill's face showed an ugly and dignified expression.

"An alien civilization again?" Jiang Mingxuan muttered to himself.

"..." Mi Gaoyang frowned, but remained silent.

Li Qingye saw that everyone had finished reading the report, and went straight to the point: "Obviously, the density of alien civilizations in the universe is higher than we imagined. This is already the second incident of alien civilizations discovered within the solar system. You guys Tell me what you think!"

Hill was the first to speak: "Chairman, I think it is necessary to strengthen the monitoring of the surrounding planetary systems again, and at the same time conduct a comprehensive investigation of the stars in the Kuiper Belt."

"Well, you arrange it!"

Jiang Mingxuan looked solemnly and said: "Chairman, judging from the creations of alien civilizations in the report, this spaceship is unusual. I suggest that you approach it carefully, because there may be unknown dangers hidden inside."

"Dangerous?" Mikoyan shook his head: "Jiang, you are too worrying. If there is really danger, you won't wait until now. After all, according to the isotope calculation data on the surface of Valor, there are at least 8231 million people on the surface of this planet. There hasn’t been a big change in years.”

"I don't think the other party will endure for 8231 million years and wait until we have upgraded to a first-level civilization before coming out to make troubles. This is not logical."

However, Hill refuted Mikoyan's statement: "Doctor, we can't look at the behavior of aliens from the perspective of human civilization. Dr. Jiang's concerns are justified."

As one of the persons in charge of the intelligence system of Homo sapiens, Hill and several seniors have learned a lot of intelligence knowledge.

Especially after the last actual combat exercise on Saturn, Hill has been reflecting on how to improve Homo sapiens' intelligence system to ensure that the system will not appear arrogant.

Therefore, after seeing the special report from Valor Star, she did not rule out the danger of the metal cuboid.

Even if the other party had been buried underground for 8231 million years, it didn't make Hill relax his vigilance. When dealing with alien civilizations, caution is a very necessary attitude.

Li Qingye is quite satisfied with Hill's performance, at least the other party is not arrogant, and does not think that the alien creation has completely lost its threat after 8231 million years of baptism.

"Hill, this time the investigation of Valor Star is led by your space reconnaissance department, and other departments cooperate."

"Yes, thank you Mr. Chairman for your trust." Hill stood up instantly, and then saluted solemnly.

As for Mikoyan, Li Qingye didn't say anything. After all, he is a scientist-type administrator who is not very good at intelligence analysis and psychology. The space business department also tends to be in the field of scientific research and production.

As for the person in charge of the Cosmic Defense Department, he saw that everyone was talking about the same thing, so he asked cautiously: "Mr. Chairman, do you want to strengthen the defense against Valor Star, just in case?"

"..." Li Qingye thought for a while, and asked directly: "How many battleships have been upgraded?"

"The Earth Defense Department has transformed 2 Qinglong-class ships and 2 Chifeng-class ships."

Li Qingye immediately made up his mind: "Then dispatch the warships of the Earth Defense Department to form a task force, and immediately go to Valor Star to deploy defenses."

"Yes, my subordinates must arrange everything to nip any danger in the bud."

Naturally, Li Qingye doesn't need to worry about the specific deployment work, as well as battleship weapons and equipment. This is also the job of the Cosmic Defense Department.

Soon Hill formed a professional investigation team and arranged a series of investigation equipment and synchronous robots on the two Qinglong-class ships.

The Space Defense Department is also dispatching troops. In less than a week, the four warships set sail from the orbit of the moon to the North Star, and then entered the ecliptic parallel channel, flying towards the Valor Star.

Chapter 641 Unsolved Mystery

After more than two months of full speed ahead.

The task force arrived at Valor in the Cooper Belt.

The task force that had just arrived around Valor star quickly divided into two groups.

Two of the Red Phoenix-class space motherships were deployed in the void 500 million kilometers away from Valor Star, releasing more than 1 mobile space mines, and these space mines contained nuclear bombs.

A single space mine consists of 80 sub-mines, and each sub-mine is a 30-ton firefly-type hydrogen bomb.

These space mines quickly attached to the surrounding asteroids, and then adjusted their speed to be consistent with the height of the Valor Star, ensuring that they can be stable around the Valor Star for a long time.

The Chifeng-class space mothership completed the first line of defense, and then the two Chifeng-class dispatched a large number of mining spacecraft to mine the surrounding asteroids.

According to the arrangement of the headquarters, they will use local materials to build a military industrial base in the Cooper Belt, and mass-produce dead light cannons, hydrogen bombs and various warships.

After all, if you keep dispatching warships from the inner layers of the solar system, is it a long-term solution after all?

This is also a set of models explored by the Space Defense Department during the development process, that is, the warships transferred in the early stage must have military production capabilities, and they can produce weapons and equipment in the defense area by themselves, reducing their dependence on resources and equipment from the headquarters.

After the two Chifeng-class ships completed the defense line and began to enter the military production mode.

The remaining two Qinglong-class ships also merged with the Qinglong-class ship of Yin Siyong and others.

After the three Qinglong-class ships converged, they quickly deployed 100 dead light satellites in orbits 300 kilometers, 500 kilometers, and 60 kilometers away from Valor Star.

These dead light satellites are aimed at the metal cuboid on Valor. As long as there is any abnormality in the metal cuboid, the dead light satellite and the three Qinglong-class space battleships will instantly focus their fire on the metal cuboid.

The task force of the Space Defense Department is arranging defense work.

Finally, it was the turn of the Space Reconnaissance Department.

Hill was worried about the investigation team, and personally came to the brave star through the synchronous robot.

At this time, in the 100-kilometer orbit of Valor, there are not only 20 dead light satellites, but also a temporary investigation space station, and the investigation team led by Hill is on it.

Yin Siyong and others who discovered the metal cuboid were also temporarily recruited by the Space Reconnaissance Department to cooperate with the work.

"Minister Hill, this is our investigation and detection report on the metal cuboid in the past 87 days."

Hill waved her hand. She has been receiving these messages for the past few days and already knows the situation of the metal cuboid: "Thank you for your hard work. Please communicate with your investigation team. I have to arrange other tasks."

"No problem." Yin Siyong nodded. He knew that the other party must be very busy, so he quickly walked over to the other members of the investigation team.

Hill turned his head to An Maidong, the leader of the investigation team, and asked, "Maidong, this metal cuboid has not shown any abnormal reactions in a series of passive detections. I'm considering gradually adopting active detection methods and testing a little bit."

An Maidong is a middle-aged man with sharp eyes. He holds the capacitive pen and stares at the metal cuboid holographic projection in front of him: "It's so strange..."

"What's so strange?" Hill was a little puzzled.

An Maidong extracts the 6 faces of the metal cuboid from the cross-sectional view, and then forms 6 planar views.

"See it? Minister!"

Hill frowned, the six floor plans in front of him were indeed very strange.