Dwarf planet No. 4, where the ground is full of rubble, and the entire dwarf planet is filled with a thick haze. This is the atmosphere that the last comet impact brought to the dwarf planet, and according to the available data model, it would take the dwarf planet's atmosphere to disperse by a third of the time.

Gravity is only one-fiftieth that of the Earth, and there is also an atmosphere, and there are humans operating on the surface. Basically, it takes three or four hours for the dust from sweeping the floor to fall. And the dust generated by the movement of large machinery, drifting at a height of one kilometer, will take several years to fall.

Boom, boom, a large land base of 30,000 tons is walking on the ground, and this thing must be honestly lying on its stomach if it is in the gravity of the earth. And here you can easily rely on landing. There is no need to build a railroad on the planet, and you can walk on most terrain with the help of mechanical feet.

This is only a semi-permanent base, and a permanent base on this dwarf planet can be a fortress that is directly attached to the dwarf planet. The difference between a semi-permanent base and a permanent base is that the semi-permanent base can return to space orbit, (the escape speed of this dwarf planet is only 400 meters per second), and the semi-permanent base can dock with six rocket modules and return to space orbit.

In the middle of the base, he sat in the hemispherical cockpit and watched the terrain display in front of the screen in the spherical cockpit.

All the staff at the base sit in a hemispherical cockpit, because gravity is so weak that the base must borrow a magnetic field to move steadily. And this hemispherical cockpit is the mobile device that humans are red in the base.

From a technical point of view, this is not a cutting-edge technology, as long as the parameters are sent to the earth in the 21st century, the earth industry in the 21st century can also make it. The bar for manufacturing is not much higher than that of a mobile phone. This cosmic era is not the same as what people on Earth think. In this cosmic era, all civilizations are fighting for science and technology, but also for technology.

The so-called level of science and technology is reflected in the operation of tools that make use of those physical phenomena, and the more types of use, the higher the level of science and technology.

Quantum communication and ordinary electromagnetic wave communication. It's the technological gap. Quantum communication makes use of the physical phenomenon of quantum keys. Ordinary electromagnetic wave communication does not.

The technical level is the premise that the manufacturing scale of the tool has not changed and the phenomenon of utilization has not changed. Adjust the details in use.

For example, the battery car has been changed to an electric tricycle that is more suitable for transporting goods

For example, in the program "I Love Invention", all kinds of automation equipment produced belong to the technical category, select parts of certain specifications, adjust the speed and slow parameters of each length of the equipment, and meet the use of the period. It's technology.

For the earth's civilization in the 21st century, technology is more important than technology. Superconductivity, ferrofluid propulsion, artificial sun. These are all human beings trying to apply higher physical phenomena to their own service.

And in this cosmic era, for the major interstellar civilizations, the flexible use of technology is more important than technology. Because from the perspective of carbon-based life, many physical phenomena are untouchable and need to meet constant and demanding conditions. The higher the level of physical phenomena. The more difficult it is to operate with a carbon-based life body.

When particles are propulsed, the human body is modified, and the technology of mechanical colonization is often mastered by various interstellar civilizations. As for each side, there are also high-tech at the level of Star Destroyer, but the premise of these high-tech development is that the other party completely loses its advantage. And wait until one side completely loses its advantage. Most of the battles have been fought almost

In most battles, both sides are fighting for technology, and the commonly used technologies are put into practical use in various environments of the universe.

The inside and outside of this base where Lu Yuan is located are all technologies allowed by the gravity of this asteroid, and if you land on a massive planet, most of this base is unreasonably designed. But it makes sense on this low-gravity, atmospheric asteroid.

The reason why the Somudor Federation occupied several important strategic nodes at the beginning of the conflict of the Iron Star Defense Line was that it had developed technology that could be used on those strategically important planets first, and when the Ottoid Empire came up with practical landing technology, it could only attack away.

Technological superiority is not equal to technological superiority, and the battle of this world's interstellar civilization sometimes appears similar to poison darts versus muskets. There is no doubt that muskets are more advanced than poison darts, but in the tropics if the technical problem of damp gunpowder is not solved. Gunpowder technology can't crush poison darts.

After arriving at the base, Lu Yuan saw the various technological applications of his predecessors on the planet.

The no# man-machine network is all over the surface of the planet, and the sonic device on the no# man-machine allows the base to obtain first-hand information on various terrains on this hazy planet.

Jumping spider locomotive, this eight-legged spider-like vehicle, this vehicle is equivalent to the jeep of an Earth-like planet, carrying a rocket launcher and maneuvering quickly on the surface of a dwarf planet.

During the walk to the semi-permanent base, a huge crater ten kilometers long was reached

The semi-permanent base carefully bypassed the super-crater. The story behind this giant crater was a highlight of a counterattack five years ago.

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In a low gravity environment, it only takes more than 400 meters to reach an escape velocity. So there is no air superiority on this planet.

To describe the situation of the two planets as a joke, on Earth it is: "I didn't expect it, grandpa could fly". The situation on the planet is: "Vozh, 59 was able to jump into the sky." ”

So on the ground there is an advantage of material abundance, in the past ten years, the Ostic Empire's warships have attacked this dwarf planet several times, although the Ossian Empire's space warships are not small, million tons, but they are still not as good as the fortress on the ground, in the face of the interception barrage composed of large-caliber shells like a rain of bullets, the Ostic Empire's bombed fragments of the battleship had to retreat.

The large caliber of the shells here, is a thousand millimeter caliber. Now the rows of cylinders on the back of the mobile base are cannon barrels with dust jackets on. The barrel is not long, and it is at the level of a mortar on Earth, but with little gravity on this planet, it can be fired directly.

Because the firepower of the battleship could not withstand the frenzied base firepower on the ground, so in the battle five years ago, the Ausers used the method of deflecting the comet's orbit to try to end all this, according to the Ossian Empire's idea, "The battleship I sent, you can intercept it with ground super-heavy artillery, and you can't do anything about the comet." ”

In the face of the menacing comet at the time, and the commander of this dwarf planet at the time, hundreds of holes were dug all over the surface of the globe and a nuclear bomb with a yield of 10 billion tons was buried in it. As the comet approached, the location of the comet's impact was predicted, and one of the craters initiated an explosion. There was a magnitude nine earthquake on the ground of the entire planet.

But hundreds of millions of tons of matter rose into the air. This is like reactive armor that hinders the principle of shells. When the comet approached, it happened to be close to a large amount of rising material, which disintegrated in the high heat, and the impact energy of the disintegration spread 60 kilometers above the dwarf planet.

The energy of the comet collision did not directly act on the ground and converted into earthquake damage to surface buildings, but turned into a super storm, which swept the world, and the storm energy was so strong that all the material on the surface of one meter was blown away, but the base that had been hidden in the semi-buried tunnel for a long time was not destroyed by the storm energy of the tunnel.

When the landing ships of the Oss Federation arrived on the gray planet again after the comet impact, they were still greeted by a dense rain of bullets.

When Lu Yuan saw these past war histories, a number of emotional states were discussed, and finally a certain emotional decision for fear of trouble prevailed: "It seems that as long as you learn from the experience of your predecessor, you can defend this dwarf planet in a decent manner." "Lu Yuan is going to be the commander of this base in a regular way, expand the troops, build various fortifications, and form an aviation starport station.

Because Suomuduo's society made Lu Yuan not satisfied, and like the planet Beiluo, Suomuduo's society did not give Lu Yuan the interest to give it his all. Lu Yuan still observed Suomuduo with a hesitant attitude. (The reason for the hesitation is, Lu Yuan: Should I love this interstellar civilization or not?) ）

On the surface of the fourth dwarf planet, the huge semi-permanent base continued to take a step of steel, and in this semi-permanent base, Lu Yuan scanned the surface of the planet with vast spiritual energy, suddenly found something, came to the hatch of the base, walked out and jumped down from the forty-meter-high base platform. Relative to the huge base, like an elephant jumping down a flea.

The jumping figure of Lu Yuan descended quickly, but the landing was very gentle, as if stepping on cotton.

Lu Yuan quickly walked to a dirt pit in the gray air, and a shovel jumped out of the space in his hand, digging towards the soil layer, and a few shovels went down, revealing the debris inside, which was left behind years ago.

Lu Zhen bent down and dug up a piece of debris buried in the gravel. According to the information and comparisons that Lu Yuan Ling can grasp. Lu Yuan clearly knew that some fragments of foam metal structures showed the manufacturing standards of Somudo, but the standards of the Ottoid Empire. (Lu Yuan's psionic energy can be in the space range, every detail of the observation of Oss and Suo Muduo, comparison, as long as you observe carefully, you can also find the interesting things left on this planet, it is very difficult to find the sea fishing for ordinary people, but for the current Lu Yuan, it is very easy to hunt for some gadgets in a large area.) ）

Soon Lu Yuan dug into what he was looking for, which was a metal box, partially deformed due to the impact.

Lu Yuan carried this box, caught up with the walking base, jumped from the steel giant foot of the base, jumped a few times, and climbed onto the platform of the base.

The spiritual energy on his body trembled, and his whole body was spotless. As the steel gates slowly opened, Lu Yuan returned to the interior of the base.