"It's nothing, just leave some memorials, let them not forget us so lightly." Ye Fei laughed more and more happily, like a mischievous child finally playing tricks on adults.

Everyone can understand the supplementary shells, after all, the two asteroid belts on the periphery of the midway galaxy have been passing through the danger zone for many years, and the high temperature in the danger zone, the messy impurities are estimated to have been refined long ago, and the rest are high-temperature resistant metals or alloys - ancient meteorite iron is the hardest weapon material, and the Malayklux sword, one of the world's three most famous blades, is made of meteoric iron.

It can be seen from this that the texture of meteorite is quite excellent, even if it is not as good as modern smelting special alloys, it can also ensure that the mechanical strength of meteorite is above a certain horizontal line.

The shells of the gravity cannon are just the most ordinary steel, and even because of the slight differences in the composition of the different smelting batches, purely in terms of strength, ninety percent are not as good as those high-temperature resistant asteroids on the periphery of the Midway Star.

Moreover, the high temperatures generated in the danger zone can easily melt the drone, while the asteroid can remain solid once it enters the danger zone. It can be seen that high-temperature resistant asteroids are more resistant to the high heat caused by friction than steel after flying into the atmosphere!

UAV can be said to be an unmanned version of J-447, which was originally an air-space dual-purpose fighter that can conduct intra-atmospheric operations, and the shell can resist the high temperature brought by entering the atmosphere, so it can be inferred that those asteroids are likely to be better than human high-temperature resistant materials!

The fleet set off again, and in order to ensure the quality of the materials, Ye Fei took the fleet to the direction of the asteroid belt out of the danger zone, and the fleet stopped at the periphery of the asteroid belt to be on guard. Thirteen engineering ships entered the asteroid belt and picked the right asteroid to load into the cabin.

Due to the lack of heat propagation medium in the universe, hot asteroids can only cool down slowly after leaving the danger zone, and the cooling rate is slower, which is equivalent to the natural annealing process.

In ordinary galaxies, the farther away from the center of the galaxy, the more small icey objects there are, and because of the existence of danger zones in the middle of the galaxy, there is no ice asteroid in these two asteroid belts, which is completely alloyed!

Ye Fei made a simple calculation with the help of the ship's computer. It turns out that it is clear that all the asteroids in the two asteroid belts are added together. It is at least the size of six small earths.

Considering that all asteroids are alloyed, the total mass is less than ten times that of Earth.

According to the laws of planet formation, the planets on the periphery of galaxies must be gas giants, that is. The vast majority of the material on the planet has been "burned" clean by the danger zone. The rest is only a tiny fraction.

Ye Fei couldn't imagine it. If these two asteroid belts had evolved from broken planets, what a huge giant they would have been when they were intact!

For a long time, mankind has not figured out whether Jupiter's interior has a core composed of heavy elements, referring to these two asteroid belts. It can be indirectly inferred that most giant planets such as Jupiter should have solid cores, and their big novels may be much larger than Earth's.

There is no difficulty in collecting asteroids from engineering ships, as long as the volume is within the usable range, it is not wrong to load them directly on the ship.

The capture of the meteorite is only the first step in completing the mission, and then the smelting equipment in the gravity-free chamber of the ship will be used to melt the metallic asteroid and make it into a standard-sized drop-shaped solid metal ball in microgravity as needed.

It's actually easier to make a standard spherical shape in a gravity-free environment, and it's no worse than a droplet shape, but the spherical shape is more cumbersome to store, and the droplet shape is easier.

The military is not afraid of creating trouble, but only of storage.

The sky was full of materials to be taken casually, and in a short time, the holds of the thirteen engineering ships were full, but the efficiency of the smelting equipment was not so high, and it took some time for the shells to cool.

After reporting the situation to the flagship, Ye Fei simply ordered the engineering ship to return to the ship, and after docking with the main body, it was produced and transferred to the ammunition depot of the gravity gun while producing.

The capacity of the engineering ship's cabin is limited, even if it is full of asteroids, it can't make up for the lack of shells on the battleship, and it was planned to make a few more trips after digesting the captured asteroids, but this is a bit too delayed, Ye Fei simply ordered the battleship to use a traction beam to attract the asteroid, and when the asteroid flies near the battleship, it will directly use the force field to capture and send it to the vicinity of the engineering ship, and when the engineering ship needs it, it will use the mechanical arm to catch the asteroid into the cabin.

Probably digesting the asteroids that can fill engineering ships three times, the shell bays of each battleship are finally full, fortunately, the power of the gravity gun is not bad when it uses solid shells, otherwise it would have to run back to the blue star once just to replenish the shells.

After Ye Fei ordered the engineering ship to fill the asteroid again, he filled the vacant missile bay with asteroids, and then led the fleet to the middle layer of the midway galaxy, probably slightly outward from the orbit of the giant planet.

The Ares made a rigorous calculation of Midway's park orbit, and after getting the results, it fired tens of thousands of shells at low speed into Midway's orbit.

Then the advance was recalculated at a different angle, and it was launched again; Then change the angle again and shoot a third time...... After changing the angle a total of eight times and firing nearly 300,000 shells at Midway Star at various speeds, Ye Fei gave the order to withdraw satisfied.

It is conceivable that Midway Star will have to face endless harassment for some time to come.

Everyone thought it would be over like this, but they didn't expect Ye Fei to withdraw with the fleet for a distance, and after arriving at the periphery of the galaxy, he came again, and the continuous change of angle almost made everyone dizzy.

Two shots emptied half of the shells in the stockpile, but Ye Fei still refused to let go of the poor Midway Star, and drew a scoop on the gourd on the periphery of the galaxy to completely empty all the gravity shells.

In order to ensure that the cannonball was not interfered with by the asteroid belt and the giant planet, Ye Fei deliberately increased the launch position of the cannonball, so that the flight trajectory of the cannonball was slightly detached from the ecliptic plane.

In addition to this, the gravitational force and position of the giant planet were carefully calculated to ensure that the shells were not affected by the gravitational pull of the giant planet.

The officers and men of the whole fleet couldn't help but fall for it after experiencing Ye Fei's plan personally, this hand was really too tricky, even if they were enemies, they also sweated for the survival of the Atlanteans on the midway star.

Midway galaxies aren't as big as the solar system, but they're not much smaller, and the outermost cannonballs can take decades to reach Midway. (To be continued......)

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