"Lao Dou, come with me, go to my new factory first!"

Once he made up his mind, Gangyi quickly took action, and under its leadership, Chen Xin boarded a special landing craft and entered Planet 4 with.

When asked Chen Xin for Planet 4 and said that he wanted to build a factory, Chen Xin was still a little strange.

He really hadn't heard much about building factories inside Juyloids, even a fifth-level civilization like the Lyra Civilization would only extract the materials inside Jupiter through special equipment set up in the synchronous orbit of the Typosites, and would not directly set up factories inside.

However, for steel hammers, this seems to be a natural thing.

According to it, during the war 300,000 years ago, it used to build a spaceship directly inside the star using the star's material energy until the star gradually went out.

Such an unbelievable method had to convince Chen Xin.

The landing craft slowly descended and gradually entered the atmosphere of Planet Four.

In general, the atmosphere of a Juvian planet lacks a clear lower boundary, gradually transitioning from gas to fluid in the planet's interior, and Planet Four is no exception

From the lowest to the highest, the layers of the atmosphere are troposphere, stratosphere, warming layer and fugitive layer, and each layer has its own temperature gradient characteristics.

The lowest troposphere has a complex cloud and hazy system, including several layers of ammonia, ammonia hydrogen sulfide, and water.

The upper ammonia cloud is the visible surface of the planet, organized into 10 banded clouds parallel to the equator and separated by a powerful banded air stream (wind) called jet airflow.

The atmosphere of Planet 4 is 1,000 kilometers thick, the maximum wind speed inside exceeds 1,800 kilometers per hour, and it is accompanied by various huge storms and lightning.

Planet Four does not have a solid surface. The troposphere, the lowest layer of the atmosphere, smoothly transitions into the planet's fluid. This is the result of temperature and pressure above the critical points of hydrogen and helium, meaning that there is no clear boundary between the phases of the gas and the liquid.

The mill where the steel hammer is built is located inside these fluids, which have taken on a liquid state.

The plant is a closed spherical in shape, suspended inside the liquid fluid of Planet Four, with a diameter of more than 500 kilometers, and the outer shell is a special alloy that can withstand high temperatures and pressures and is resistant to corrosion. Inside, there are dozens of giant fusion reactors, which can constantly supply the plant with a steady stream of energy, and can also produce large quantities of heavy metal elements and rare earth materials.

There are more than 200 million fully automated robots in the factory, and as long as the product design is done well, and then the relevant drawings are input into the factory's central computer, the factory can continuously produce these equipment according to its requirements.

As for the miniature gravitational wave detector that Xiang Gangyi had shown Chen Xin before, it took less than five hours to complete the manufacture of 60,000 units of this kind of equipment.

Chen Xin was stunned as he watched from the sidelines. For the first time, he realized so clearly what a terrifying existence the steel hammer that had entered the fourth level was.

After the 60,000 miniature gravitational-wave detectors were built, Steely transported them out of Planet 4 in an unmanned cargo spacecraft, and then transferred them to the Jiangcheng's cargo hold through a docking device.

"Old Dou, it's done, let's follow the method I gave you, use the Jiangcheng spaceship to center these probes on the flame γ. Released from six directions, 10,000 detectors in each direction. They then fly in formation automatically according to a predetermined intelligent program, and the results are summarized into the central computer of the Jiangcheng spacecraft. As for the war between humans and pirates, I will not participate in it, unless there is a force that humans cannot resist, I will not fight!"

Chen Xin smiled slightly and said, "You can rest assured about this, according to the current strength of human beings." The pirates who fight against the third-level civilization are still handy, not to mention, I still have the Jiangcheng!"

The Jiangcheng is a real fifth-level ship, although it is only a satellite-class warship, unless the pirates have thousands of fourth-level civilization warships. Otherwise, the Jiangcheng alone can be easily done.

However, before the critical moment, Chen Xin will not dispatch the Jiangcheng, human beings have not yet undergone a real test after entering space, if there are really pirates attacking this time, Chen Xin hopes that human beings can use their own strength to wipe out all the incoming pirates.

Jiangcheng soon left Planet 4, and Chen Xin spent three days releasing 60,000 miniature gravitational wave detectors in an area 500 astronomical units away from the flame γ according to the requirements of the steel hammer.

These gravitational-wave detectors begin to automatically form an array formation according to the precise orbits calculated by the computer.

Yang Lin then returned to New Earth, and then, accompanied by Vader and senior military leaders of the Human Alliance, connected the data from the miniature gravitational-wave detector to the central computer inside New Earth.

To Yang Lin's surprise, almost at the moment when the miniature gravitational wave detector formed a passive detection array, a piercing alarm began to sound throughout the human command center.

……

Flame γ 6,500 astronomical units beyond the ecliptic plane, with the Puluo-class spacecraft as the core, more than 2,000 warships, large and small, were flying towards the flame γ at a speed of 0.9 times the speed of light.

Pruck sat tall in the command center, and an old man with a rat whisker who was only one meter four tall was kneeling respectfully at his feet, and said, "Dear Lord Pluck, are we sending a detachment to attack the galaxy from outside the ecliptic plane of the flame γ to coordinate the actions of our main fleet?"

Pruk pushed a giant beauty in his arms and said, "Kafra, don't be so cautious, with our strength, we can use so much to push a third-level civilization with only a few dozen spaceships left!"

The old man with the rat whisker lowered his eyebrows and said, "Yes!"

Pruk quacked and said: "Kafra, this operation was successful, you take some of the captured Terrans to the dark galaxy and come back in exchange for a few small planetary-level battleships of the Blood Moon Civilization, didn't the black wolf buy a small planetary-level battleship of the Silver Dragon Civilization last time, it is actually invincible in front of me, next time I will let them have a good look at what is called a fourth-level mid-level civilization battleship!"

The old man raised his eyebrows, and said with some hesitation: "Your Excellency, we are buying and selling the human race like this, if we are discovered by the Tianqin civilization, it will be a ......."

Pruk waved his hand disdainfully and said, "What are you afraid of! Will Tianqin be civilized soon! They are now too busy to care about such a trivial matter in the chaotic star field! You see, if you really let the people of the alliance come in, Lao Tzu will see how those girls deal with it! Hmph, maybe you can grab one or two Tianqin girls to try it out when the time comes, and that figure is ......" (to be continued......