Tang Zheng himself lives in the government house, but his home and office will be separated.

After he cut off the warning screen, he quickly walked to the office, where Lin Xun was already waiting.

"Lord, this is the latest cosmic signal wave from the land of blue. The ball of the alien world is in the cold winter, and the signal wavelength will be blocked by the land of blue, so the land of blue will take the lead in detecting this frequency."

While he was talking, he had opened the blue projection screen, stretched out his hand and touched it in the air. After a few times, the special wavelength chart of the cosmic signal wave was presented to Tang Zheng.

The cosmic signal wave was developed by a newly emerging scientific research team after Tang Zheng implemented the system of vigorously rewarding scientific research achievements. It is used to more conveniently detect all kinds of signals in the universe.

Its principle is very similar to that of water wave, which uses the characteristics of fish induced water wave.

As we all know, putting a stone on the calm lake will produce an outward spreading ripple on the water surface when the stone enters the water.

These ripples are called water waves.

But what humans see is only water waves on the surface. After waiting for dozens of seconds, the water waves visible to the naked eye may disappear.

But in fact, at the bottom of the lake, the kinetic energy of the stone when it enters the water continues to spread outward, but this wave can no longer be detected by the naked eye.

But the fish can still sense the propagation of the ripple and judge whether there is danger from the fluctuation amplitude of the water wave.

This is why sometimes people feed food on the lake. Although they put in some light bread crumbs, they can hardly splash a ripple, but they can still attract the fish under the pool.

This fluctuation is not only in the water, but also in the air.

The air contains a small amount of impurities and particles. If a baseball is hit out, the impurities and particles will be scattered on both sides in a moment in the parabola it crosses at a high speed, which will also show the nature of fluctuation, but this is more subtle than the water surface and more difficult to observe.

Now, human beings can directly observe the fluctuations in the universe through science and technology.

Taking the universe as a large pool, the waves of Gemini objects in any way can be detected by new signal wave devices.

Over time, a separate knowledge of cosmic signal wave has been derived.

It is used to distinguish which is a common cosmic wave and which is a rare or even unknown signal wave.

Thanks to this specially established cosmic signal wave, the scientific research team in blue town found the special fluctuation of today's signal wave detector.

As if a ship traveling on the sea will cause the sea spray to surge and form a large number of water waves.

When a spaceship is free in the universe, it will also produce cosmic waves.

The telescope made of super optical prism finally observed the space fleet slowly heading towards the land of blue three light-years away.

"This particular fluctuation was actually detected as early as half a month ago, but we have not been able to observe anything unusual around Gemini objects."

"Until today, when it traveled near another small stellar object three light years away, the light of the stars shone on them, and we were able to observe them. We reported to the Lord for the first time." Lin Xun roughly explained the situation.

Click on the projection screen again and pull out a few photos to enlarge.

Tang Zheng came forward and looked.

Because the distance is three light-years away, human technology can not shoot so clearly at this stage.

Only a very vague outline can be seen, even the outline is incomplete, like a heavy mosaic.

However, no matter how mosaic the picture is, this mass is definitely not a celestial body in terms of shape.

In addition, after it enters the star range, the metallic luster reflected by the shell is not difficult to infer that this is the outline of the space warship.

"Although we can't make a 100% conclusion that this is the warship of alien civilization, the estimated result given by the calculator is as high as more than 80%," said Lin.

Humans have never seen extraterrestrial life. Even the Starship carried by the superior and Tang Zheng decades ago is enough to verify that extraterrestrial life exists in addition to humans.

But knowing that they exist is one thing, and seeing these alien life with your own eyes is another.

No one can guarantee that civilization and life born in an alien environment will abide by the same laws and regulations as humans.

Even because of the different environments of stars and celestial bodies, it is not uncommon for them to take the sky as the earth and the earth as the sky.

Under such circumstances, the unknown challenges facing mankind will be extremely severe.

There are conflicts between races, not to mention the star clan.

"According to the prediction, it will land in the ball of the world or the land of blue within 300 years?" Tang Zheng asked.

After 300 years of landing, mankind still has a chance to breathe. After 300 years of science and technology, mankind is not sure where it will develop.

"Being able to travel between stars at a distance of light years is a technology that we humans have not yet reached, indicating that their technology is above us. That means that they must have found the existence of our planet and observed us. Therefore, I think this interstellar warship trip is for us... As for the marching speed, we need to see again For a while, their fleet is currently traveling at one percent of the speed of light, but it is uncertain whether it is the maximum speed. "

"Then first investigate the results." Tang Zheng said in a deep voice.

Half a month later, a new batch of results came out.

And it's bad news.

"Report to the Lord, this space warship has excellent acceleration conditions. According to the observation, the acceleration of the enemy ship has exceeded 500% in this half month! Now it has reached 5% of the speed of light and seems to be accelerating continuously. Even according to 5%, there is only 60 years left for human development."

Tang Zheng frowned slightly after receiving the report.

60 years.

The result will only be shorter.

If they can double their speed and reach 10% of the speed of light, plus the time required to slow down when they are about to reach the land of blue, they may land in 30 or 40 years.

This means that when the first humans are still in their middle-aged and middle-aged, these aliens will confront humans head-on.

"Find a way to communicate with this warship and find out their ways." Tang Zheng said.

Although this practice is very stupid, in case the other party doesn't find himself, he just carries out space tourism. Instead, he doesn't admit it.

But this is a minimal or even nonexistent probability.

Alien technology that can travel through space will inevitably detect traces of human activities on the land of blue and the ball of the alien world.

Even if we scale to the earth of the original world, any aircraft carrier of each country passing through the territorial waters of other countries will instantly be at war and mobilize the strongest armed forces at home.

What's more, the collision of this interstellar civilization, no matter what the other party's intention, rashly approached the land of blue without informing in advance, which undoubtedly added fuel to the fire.

Make a final confirmation before preparing for war with alien civilization.

"I'll get in touch." Lin said and hung up the communication soon.

Half a month later, the communication was replied for the first time.

Translated into words that human beings can understand.

We need a new home

It is such a short sentence, but the meaning of the representative is already very obvious.

This is a group of invaders!

For the first time, mankind is about to face the collision of alien civilization!

"From what they said, it seems that there is something wrong with their civilization system, otherwise they won't need to find a new home," Tang Zheng said.

"However, the scientific research team has previously analyzed another type a star three light-years away. It is about half the size of the sun in our primary era. It is a micro star. This star system has five planets, and it is estimated that the habitable zone should be in the position of the second star. Of course, it was speculated before, but now with the invasion of these guys, it is speculated It has been confirmed. "Lin Xun looked through the information before he answered.

"The life span of that star?"

"In the prime of life, there are about 23 billion years left, and the fluctuation of surface heat radiation is stable, which should not affect the survival of the second planet."

"That's the shortage of resources," Tang Zheng said.

"Have you come to rob resources?"

"High probability, but it doesn't rule out other accidents, but anyway, there is a war to fight." Tang Zheng sat back in his chair, raised his eyes slightly upward, stared at the oval dome, and said after a long time: "Let's count the dead line of the war into 30 years. We only have 30 years left. Their military strength is unknown and they only know that they have the technology of interstellar navigation. In these 30 years, I need to see a fleet enough to fight in space. The land of blue needs to be completely transformed into a habitable planet, and the Dyson sphere of Gemini stars needs to be included in the plan and completed within 30 years."

These three orders are almost complementary.

With a fleet for space operations, it will have preliminary defense capabilities.

The area of the blue town is much larger than that of the alien world, and there are more resources. It is completely transformed into a livable planet, which is more convenient for the construction of the army.

As for the Dyson sphere concept of twin stars, once completed, it will be an inexhaustible fuel supply for the space fleet.

Three orders, integrating production, defense and energy.

"Wrap the Gemini stars completely? Lord, this is unrealistic. It is not a single stellar body. It will rotate. Even if we really have the ability to create high-temperature resistant solar sails, the gravitational tides of Gemini rotation will tear these solar sails apart..." Lin Xun suggested.

But Tang Zheng leaned forward, put his elbows in front of the table, crossed his fingers and stared at Lin Title: "do as I say."

"Yes!"

Tang Zheng did not intend to hide the fact that aliens were about to invade, but to make it widely known to the world.

Now the scientific and technological strength of the people is very developed, and some folk scientific and technological talents can also make some strange inventions for observing the movement of celestial bodies.

Once new fame is created, the state will reward a large number of funds.

The consequence is.

The news can't be hidden.

Instead of turning it into a rumor, the more the rumor spread, the more exaggerated it became. It would be better for the government to come forward and tell you the facts directly.

The first time the news was spread, it did cause panic among many people.

Aliens have been regular visitors in science fiction since ancient times, and various shape designs are also full of tricks.

But after all, it's just a fantasy, and now there are aliens "visiting" the ball of the alien world, and they are most likely hostile.

People began to get a little restless and the crime rate increased.

But time will smooth all this. The 30-year cycle is not long. Especially in the face of humans whose life expectancy exceeds 200 years, 30 years is enough for children to go through a period of rebellion.

However, this time span is definitely not short.

After people panic, they find that they still have to live as usual. If they live, they have to eat and consider the trivialities of daily life.

Soon, we have resumed our previous work and rest. We should be busy for daily necessities, be busy for daily necessities, and learn what we should learn.

If it doesn't work, there will be thirty years left. You can't die now.

This is also the advantage of spreading the facts to the people in advance. Once rumors abound, people's restless situation may be difficult to maintain.

As time goes by, human technology is also making rapid breakthroughs.

Five years later, the first micro unmanned spacecraft in human history that can accelerate to 1% of the speed of light was born, and the maximum speed limit is 1% of the speed of light.

The speed of light moves about 300 million meters per second, and one percent is 3 million meters per second.

What is this concept?

The earth in the original world is only about 12000 kilometers in diameter.

This tiny unmanned spacecraft can circle the earth in four seconds.

Of course, if it is loaded, the acceleration time and deceleration buffer time, including the gravitational offset caused by the weight of the goods, must also be considered. Even if this mini spaceship is planted with one more soybean, the theoretical lap time of four seconds will drop sharply to one lap around the earth in ten minutes.

But this speed is also extremely exaggerated.

The volume of the alien sphere is larger than that of the earth. The ideal flight test result of the micro spacecraft is 30 seconds.

The actual load result is one lap an hour.

But it's good news that it can be developed.

In the next three years, the speed of the micro spacecraft has been raised again and again, and the load capacity has changed from only one soybean to one ton of goods.

The speed of goods logistics has been greatly improved, which means that the pace of human life is further accelerated and the development of science and technology is more rapid.

These are the gains brought by speed increase.

On this basis, the transformation of blue town is also fast.

Just five years.

The rendering of the atmosphere and the laying of cyanobacteria.

Injection of small lakes.

In addition, humans can successfully cultivate the first single-cell organism in the land of blue for the first time without relying on the simulation warehouse.

The focus of human life has finally shifted slowly towards the land of blue.

Finally, for the first time, human beings have developed to interstellar civilization in a real sense and reached the milestone of class 1 civilization in the universe!

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