It's reasonable for me to have a two-way foil for a second-level civilization, right?

Sweeper 9527's tone was full of surprise.

The Orion arm is not the four main spiral arms of the Milky Way,

This also means that the material inside it is extremely rare.

The edge of Orion's arm...it could even be said to be a backcountry place!

Sweeper 9527 cannot imagine such a barren environment.

At least, he's never been to that kind of place.

"Yes, this civilization has announced its specific location and information."

Hearing these words, Sweeper 9527's visual organs trembled again.

Heh... Another young civilization that has just started.

How naive.

"Hehe... In that case, let's execute the procedure."

Soon, an application was handed to him.

"Apply for a star devourer for cleaning."

Sweeper 9527 casually swipe the application, and throws a black-glowing ball towards Orion's arm.

The moment he threw out the star devourer, his visual organs casually glanced at the observation instrument in front of him.

"Wait! They have mastered controllable nuclear fusion, increase the power of the star devourer!"

Seeing that the power of the star devourer was turned up, Sweeper 9527's visual organs trembled again.

so close.

It almost went wrong.

If this cleaning task fails, maybe his bonus this year will be [-]% off?

While thinking, he made a mark on the observation panel in front of him.

"The cleaning was successful."

Chapter 91 Proxima Centauri Civilization

The third day when the weird black circle was discovered.

Xuannv-[-] re-entered the earth's atmosphere and landed slowly at the Xiaguo National Aerospace Research Institute.

A series of rock and black circle samples excavated on the moon were sent to the laboratory of the institute at the first time.

Lu Yongchang looked at the black substance on the experimental table in front of him, and his eyes flashed with wonder.

Under the light, the black substance is slightly reflective.

"I have to say, this thing is quite beautiful." Lu Yongchang said in a low voice.

Cao Liangcai moved his head, glanced at the black substance on the experimental table, and nodded lightly: "It's really pretty, but..."

"It's also a Hall thruster, ours doesn't seem to be able to achieve this effect, right?"

Hearing this, Lu Yongchang's eyes showed a bit of helplessness.

Of course not.

If the same effect can be achieved, it is estimated that Xuannv-[-] can fly out of the solar system.

"Old Cao, help me identify when this thing was formed."

Cao Liangcai was slightly taken aback.

"When was it formed? Why are you studying this?"

"The top priority now, shouldn't we study the composition of this black substance?"

Lu Yongchang's deep eyes stared at the glass-like substance in front of him, and said softly: "I want to model and deduce where this aircraft has gone!"

……

"The result is out."

Cao Liangcai had a bit of horror in his eyes: "You may not believe it, but this thing was formed five years ago!"

"The specific time is difficult to calculate. There is only an approximate time, which should be around December 2025."

Hearing this critical time node, Lu Yongchang couldn't help but feel a little bit in his heart.

five years ago.

It is time for Voyager to leave the solar system.

It can't be so unlucky... Two Voyager probes were picked up by two civilizations respectively?

Thinking of this, Lu Yongchang had a bitter expression on his face.

This is really...

"what happened?"

Seeing the bitter expression on Lu Yongchang's face, Cao Liang frowned and asked in a low voice, "Is there anything special about this time?"

Lu Yongchang hesitated for a moment, and told Cao Liangcai his guess.

"Fuck..."

"Is the TND sun crisis caused by the US?" Cao Liangcai's face flushed instantly, "No, we have to settle the score with them!"

"Come on, this thing is just my guess." Lu Yongchang shrugged and said angrily, "What's more, how do you want to settle the score?"

"According to the current situation, even if Xia Guo Science and Technology is the only one, we cannot easily attack other countries."

"There is only 15 years left for us in total. We can't spend a year or two on infighting, can we?"

"What's more, no matter how rubbish they are, on the scale of the universe, we are all human civilization."

Cao Liangcai sneered and scratched the back of his head: "I didn't think so much... I just think it's enough for our Xia country to pick itself out, and those other countries are none of our business!"

Lu Yongchang shook his head slowly.

"You can't say that."

"Whether it's from the genetic level or from the perspective of evolution, keeping them will only be more beneficial to our Xia country."

As he said that, Lu Yongchang's eyes showed a bit of deep color: "Since apes became humans, our evolution has come to a standstill."

"To adapt to the universe, we have to start evolution again."

"The genes of different races will only be beneficial to Xia Guo."

"If you want to go far in this dark universe, it is absolutely impossible to rest on your laurels."

Cao Liangcai nodded thoughtfully.

It makes some sense.

"Of course." Lu Yongchang's eyes flickered a little coldly, "All I said was under the leadership of Xia Guo."

"If there are blind people who want to make trouble at this time, I will let him know what despair is!"

The corners of Cao Liangcai's eyes twitched twice, and he quickly changed the topic: "Ahem! Let's go away, go away."

"The data is out, and we can start modeling and inverting."

Lu Yongchang came back to his senses and looked down at the data in front of him.

After entering the data into the model created by itself, the computer quickly came up with a conclusion.

"hiss……"

Lu Yongchang took a deep breath: "This...how could this be..."

The simulation results clearly point to the direction of Proxima Centauri.

In other words, the alien civilization that uses Hall's propulsion technology comes from Proxima Centauri, which is only 4.22 light-years away from the earth!

4.22 light years!

On the cosmic scale, this is an extremely small distance.

Basically like neighbors separated by a wall!

A burst of cold sweat suddenly broke out from Lu Yongchang's back.

This... humans have spent so long looking for alien civilizations, but they don't know that the real extraterrestrial civilization is right next door!

Cao Liang, who was on the side, also looked horrified when he saw this result.

"This result...can't go wrong, right?" He swallowed slightly, and whispered.

Lu Yongchang didn't speak, just lowered his head and checked quickly.

After the same result appeared in the second simulation, Lu Yongchang sighed deeply.

"It should be right."

"They're right next to us."

Lu Yongchang's face was extremely ugly.

Well now, human civilization is not only facing the crisis of the sun, but also has to deal with the invasion of a more advanced civilization!

What's even more frightening is that they don't even know when this civilization will fully enter the solar system!

"what should we do?"

Faced with Cao Liangcai's questioning, Lu Yongchang fell into a long silence.

How to do?

How did he know what to do? !

This is simply a natural disaster plus a man-made disaster!

It can be called the beginning of hell difficulty!

Hiding in the solar system is certainly not the way to go.

Out of the solar system, Proxima Centauri, which is 4.22 light-years away, is a necessary choice.

Traveling across a star system is not like traveling within a star system.

Beyond the star system is a boundless "blank area".

It can be said that in such interstellar space, human beings will not get any supplies.

Therefore, the target of the first voyage across the solar system can only be the nearest Proxima Centauri.

As for Alpha Centauri, which is 4.3 light-years away from Earth... there are no planets in its star system.

(For the advancement of the plot, the setting is like this. In fact, there is very likely an terrestrial planet in the habitable zone of Alpha Centauri.)

Before human beings have acquired the technology to reversely convert energy into matter, planets will always be an indispensable source of materials.

Gas planets can provide hydrogen and helium to provide energy for the next interstellar voyage, and solid planets can provide various carbon-based organisms with indispensable elements, carbon, oxygen...

His brain was running wildly, sorting out all the information he knew so far.

Suddenly, his eyes suddenly lit up!

Chapter 92 Why don't you try anti-aggression?

Lv Yongchang slapped his... on his thigh suddenly.

He's getting into a dead end!

Why do we have to be obsessed with how to escape? !

Human beings can completely resist aggression!

At least, in the past life, in the next 20 years, there will be no alien civilizations from Proxima Centauri in the solar system!

That being the case... as long as their technology develops fast enough, human beings can go to Proxima Centauri immediately!

Next, of course, is Star Wars!

As long as this interstellar war is won, human civilization will have a perfect growth time!

"Lu...Professor Lu?"