The countdown to the interstellar voyage has begun.

Shortly after collecting the corpses of the space monsters, the first asteroid mining has finally begun in order to replenish the resources consumed by the mothership before departure.

An asteroid not far away became the target.

The asteroid is quite large, about six kilometers at its widest point and three kilometers at its narrowest point, and its surface is covered with snow and ice, and because of its proximity to the sun, its tail pulls out a 100-kilometer tail, which looks spectacular.

Fortunately, in the detection, the thickness of the ice and snow on its surface is not large, only tens of meters thick, and there are a large number of iron meteorites inside, and it contains a large number of other elements.

Human consumption of water resources is not large, but metals are consumed the most, this mining, is mainly to collect metals, and a meteorite like this is enough to replenish all the stocks.

In the early stage, hundreds of engineering robots, loaded with a large number of materials and tools, began to land on the asteroid, and in the next time, they will clear the ice and snow on the asteroid, level the ground, and build improvised power plants and lay lines.

In addition to this, on the side of the asteroid, they will also install three engines so that they do not drift too far.

The entire three-way project took less than a week.

Immediately afterwards, the second batch of engineering robots drove a modular factory like a giant container, heading towards space, and the plasma flames gushing from time to time behind the robots kept pouring out, gradually landing on meteorites like fireflies.

The modular factory slowly floated down according to the designed position, and the hidden buckles arranged on the ground and the bottom of the factory were tightly locked, and the factory began to unfold gradually.

These are truly unmanned factories, with no extra lights on them, no passages extending in all directions, and a large number of huge metal smelting equipment with complex structures, either circular or cylindrical, are crowded into a pile, making the best use of all the space.

Not long after it was rolled out, a huge metal pipe with a diameter of nearly thirty meters slowly rose like a giant beast awakening, and its pipe mouth was aimed straight at a clearing not far away, and the next moment, a terrifying magnetic field was emitted from the pipe.

Soon the ground began to soften like a liquid, and it continued to extend downward as it sucked in the substance

The reason why this metal pipe is so large in diameter is that it is telescopic, with hundreds of layers of metal pipes nested inside, and it is designed to reach five kilometers deep into the ground and absorb minerals.

Asteroid mining, in the Boxing civilization, the technology is quite mature, with a complete set of procedures, and as a human who inherits and absorbs this technology, even if it is only the first time, everything is orderly and proficient.

……

Fast forward to April 2020, four years after humans have been in space.

All the preparations for the voyage have been completed, and for the sake of safety, even the countless ravines and ravines on the exterior armor of the mother ship have been rested, so that the entire spaceship has become as bright as new, and even those parts that are far from being scrapped and have been used for a certain number of years have been replaced.

In the past month, countless spacecraft maintenance engineers with various detection instruments can be seen everywhere, repeatedly inspecting every corner in an attempt to find possible hidden dangers.

……

Unconsciously, the originally stable and peaceful social atmosphere became tense and depressing.

Although a large number of news outlets, which repeatedly promote and inspire every day, as time goes by, everyone's face becomes more and more anxious and uneasy.

Even Luo Yuan often feels like hesitation in his heart.

After all, this is an adventure with an unknown future, maybe this is a long march for mankind to recreate its glory, or it may be a road of no return for mankind, but no matter how you hesitate, the time of departure is still approaching day by day.

The route of the Star Road has already been decided.

The Barnard Galaxy, located about 6 light-years from Earth, was the target of this time, and the reason for choosing this star was that it was too close to each other, and it was too far away for human beings to make the first voyage.

On the other hand, because it emits the weakest light, it is a red dwarf, which belongs to the ancient old stars, it emits a faint light of dark red, and it is a good hiding place.

In fact, due to the completely astronomical distance between the two civilizations, it is not as easy as imagined to detect each other, and no matter how advanced the detection system and the most efficient computer are, they are powerless in the face of the vast starry sky.

And because of the distance between each other, the movement is calculated in light years.

The distance of one light year is the distance of one year of light flight. For example, if the Boxing is 28 light-years away from the Earth, it will take 28 years for the light emitted by it to be transmitted to the solar system, which means that the image of the Boxing obtained by human beings is completely the historical picture of 28 years ago.

And the reverse is also true.

It is now less than five years before the annihilation of the Bolstar Advance Force, which means that for at least the next 23 years, human action will be completely invisible, unless the opponent has developed a faster-than-light detection capability that does not rely on light, or the warship can fly faster than the speed of light.

No matter how the former dodges, the human target has been locked, while the latter is in a slightly better situation, at least for a period of invisibility.

But that's just the worst-case scenario!

Generally speaking, as long as its detection system still relies on light, the darker the area, the lower the chance of being discovered, like the vast black area between the stars, if you want to find a spaceship, the low probability is completely negligible, but human beings cannot hide in the dark domain forever, it is a zone close to absolute vacuum, and it is almost impossible to obtain material replenishment.

It may be possible to "save money" like a rat and hide for decades, but at the cost of limiting human development.

In the past six months, a total of 240,000 newborns have been born to human beings, of which 50,000 are produced by mothers, and the remaining 190,000 are produced by laboratories.

Therefore, humanity must find new star systems to live in.

According to the mothership detection, there are rocky planets and gas planets in the Barnard star system, which are quite suitable for resting as a resource supplement or for permanent development, and are completely in a position that can be advanced and retreated.

As for the harsh and cruel environment there, it is not worth mentioning at all for the human beings who have already initially stepped into the interstellar civilization.

As long as enough time is given, with the scientific and technological strength of human beings today, it is completely possible to transform a planet, but it is only inefficient.

"Mayor, good news from the Antimatter Lab!" At this time, the secretary Chen Xinjie pushed the door away with a happy face.

"Oh!" Luo Yuan took the document, flipped through a few pages, and his originally tightly knit brows suddenly stretched slightly: "The energy conversion rate has reached three million to one!" ”

In fact, the first antimatter experimental preparation plant has been built for half a year, but because the technology is not completely mature, and the safety is not completely guaranteed, it has been in a state of technical verification.

Even if it is production, it is within the safe dosage range, after all, this is a spaceship, and in the event of an accident, it is enough to cause serious damage.

"It's a pity that this kind of thing is too dangerous to be produced in the spaceship, so it can only be used as a technical reserve." Luo Yuan then said to Chen Xinjie: "Send a commendation announcement and let their laboratory make persistent efforts!" ”

"Okay, Mayor!"

Chen Xinjie left quickly, Luo Yuan picked up the information again, looked through it, and was full of joy.

Don't look at the energy conversion rate of only 3 million to 1, in fact, to achieve this ratio, large-scale antimatter production has been basically mature, with the energy production efficiency of nuclear fusion furnaces, basically 6 million tons to 10 million tons of pure water, can produce one ton of antimatter.

It may be too extravagant to use it as a power source, but as a decisive strategic weapon, it is far from being worth measuring at the surface!

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