"Uncle Da, Xiaotian helped me adjust the return route and time of White Rabbit No. 9..."
Zhao Yu is still worried about one issue, that is, is it possible for the elites on Earth to deduce the approximate scope of his base based on the oral statements of the three astronauts?!
In recent days, Xiaotian has captured many exploration vehicles launched from the earth, and has basically defined the scope of all Xiaotian's activities.
Uncle Da is very smart and has already guessed what Zhao Yu was thinking and gave him a solution.
"Xiaotian returned from the entrance of Base 24. When leaving, you can change the exit..."
"In addition, we can also take the three astronauts and their White Rabbit 9 around a few more times to fine-tune their direction and disrupt their perception..."
"Okay, you will be responsible for the route and ensure that people on earth will not infer the location of the base from this!"
Zhao Yu thought for a while and then said: "There should be satellites launched from the earth above the moon. Is there any way to know where they are?!"
"A satellite remote sensing device can be built to detect and receive all satellites operating in lunar orbit..."
"If you set this thing up, they won't be discovered, right?!"
"Added camouflage function and built-in hidden attributes..."
Zhao Yu nodded and asked: "Do you think there are other ways to explore our place on Earth?!"
"The information obtained from White Rabbit 9 shows that we are on the far side of the moon compared to the earth. If they want to obtain information from this side, they need to launch a transit satellite or a ground exploration vehicle..."
"Can't astronomical telescopes or orbiting telescopes see us?!"
"Can't see!"
After figuring it out, Zhao Yu came to the base control room again.
I found a satellite remote sensing device, the price is 50 technology points, very cheap.
Like other facilities, he added a camouflage function to the satellite remote sensing device.
【Do you want to spend 50 technology points to exchange for a satellite remote sensing device (disguise)?】
"Yes!"
The technology for the camouflage function has already been activated, and all subsequent installations and redemptions do not require technology points.
[Please select the location of the factory and the location of the first satellite remote sensing device (camouflage).]
A 3D model appeared in front of me, and the entire lunar base appeared in front of me like a honeycomb.
There are 180 floors in the base, and every ten floors have one or more passages, which can lead to the outside world through entrances and exits disguised as volcanoes or craters.
At the bottom of the hive, there is a passage that goes vertically downward for 10,000 meters. This is not only the basic passage for base expansion, but also the emergency escape passage Zhao Yu prepared for himself, leading to other places.
In the 3D model, the first 176 layers are all red, with only a few places showing green, indicating that they can be placed.
"Let's go to the 177th floor!"
Moving the architectural model of the satellite remote sensing device, Zhao Yu chose a location to the side and pressed Place.
Then, he selected a crater with a large opening angle and placed the first satellite remote sensing equipment on the ground, far away from the base but within the range of Xiaotian's activities.
Zhao Yu did not think about building satellites or spaceships at first. A large part of the reason was that the base vehicle could not leave and needed to be deployed on the ground, and it was too far away to place facilities.
In addition, when the base is upgraded to level 2, he can build an additional sub-base. When the time comes, he wants to set up the sub-base on the spaceship, so that he will not worry about the moon base being destroyed.
[Satellite remote sensing construction factory remaining time: 00:19:48]
Something with 50 technology points can be built in 20 minutes. When the factory is completed, the satellite remote sensing device on the ground will be in place.
After walking out of the control room, Zhao Yu asked Wang Yixia about the progress.
"I have guided the three astronauts according to your instructions..."
"Well, keep an eye on Bajie more, don't let this guy reveal his secret, and take them for a spin in 20 minutes..."
"Yes, sir!"
Zhao Yu suddenly thought of something again and asked: "Uncle Da, who do you think I will send to Earth if my plan succeeds?!"
"At present, Wang Yixia is the most suitable candidate..."
"Is it possible that her secrets were exposed, such as being set up to steal her hair tissue for DNA testing or something like that?!"
Although Wang Yixia is a bionic person, she is still mechanical inside, but the outer layer uses bionic technology to look like a real person.
There is a method in the base that can use biochemical technology to create bionic humans, but its technology tree is not in this direction, and the price is very expensive.
When Fang Yu created them, he wanted to find someone to chat with to relieve his boredom.
That’s why I chose the most cost-effective solution that combines mechanical core with bionic technology.
After all, at that time, he already had a huge robot combat force, and the technology points for the robot production line had been paid for. To recreate bionic humans, he only needed to pay for epidermal bionic technology.
"The possibility of exposure is extremely high..."
Zhao Yu nodded slightly, coughed, and said casually: "Uncle Da, what do you think of me going to the earth for a trip?!"
"No!!"
Uncle Da's voice was high-pitched and excited: "You are the backbone of our base, our core, and the supreme commander. If something happens to you, what's the point of our existence?!"
Maybe, after I die, you will be free and become human beings in the true sense...
Zhao Yu came back to his senses, waved his hand, and said with a smile: "I just said it, don't worry!"
Looking at Zhao Yu's leaving figure through the surveillance camera, Uncle Da felt a little complicated.
According to comparisons and calculations, the probability that Zhao Yu is a human from Earth reaches 97.25%.
I have been alone on an alien planet for more than five years, and suddenly found that I was not far from my hometown. I must have a strong desire to go back.
But he was still a little scared.
It's not because they are afraid of the power or potential of the people on Earth, but because they are of the same race as Zhao Yu.
He was afraid that he and the other nine people would be abandoned by Zhao Yu...
……
"Sister Xia, are you really not going with us this time?!"
Liu Ning put on the space suit again, and together with Zhang Tao and Wang Dongdong, looked at Wang Yixia with some reluctance.
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"There is nothing we can do. Our assessment is not over yet, but don't worry, the upgraded watch for you has ultra-long-distance communication function..."
"I asked the people in the technology department. The earth is only 380,000 kilometers away from the moon. There is no problem in contacting us!"
"That's great!!"
"However, it may take a few days for me to contact you!" Wang Yixia said with a smile: "Because you are from Earth, our communication channel cannot be used by you. It said that we need to rebuild a communication channel, which should be fine in a few days.
Well..."
This is said as if you are in charge of the earth, and you can build whatever you want...
Zhang Tao's mouth moved, but at this moment, he still didn't say anything unnecessary. He was afraid that after he said it, the aliens would regret and not let them go, although this possibility was extremely low.
"Bye~~!"
Both parties waved goodbye.
The three astronauts and White Rabbit No. 9 sat on an underground transport train. The surroundings were sealed and windowless. They could not see the outside and could only feel the train moving forward rapidly.
The moment he left the platform, Zhang Tao quickly got into White Rabbit No. 9 and started to check it out.
"Earth, Earth, this is White Rabbit No. 9, please answer if you hear me!"
"Zizzizi~~~!"
"The equipment seems to be working, but it just can't contact the earth. It seems to be blocked..."
"Should we just leave their base?!"
Zhang Tao suddenly thought of something. While pressing the timer, he quickly found a level meter and shouted to Wang Dongdong: "Take a gravity meter to see if we are rising..."
In the underground base, the gravity is almost the same as that of the earth. It is very comfortable to walk on weekdays, but this is the moon. This must be possible because the other side has some kind of gravity environment simulation.
Once you leave the base and reach the lunar surface, gravity will return to the level that the moon should have.
"Turn on the sensor..."
After thinking about it, they found that White Rabbit No. 9 did not move. It was being pulled by someone else's train. The effect of turning on the sensor was limited.
Zhang Tao then added: "Remember the current physical sensation, mainly to grasp the direction..."
As he spoke, he quickly found paper and pen, drew a three-dimensional coordinate system, and sensed the current position from the shaking of his body.
This method is not accurate, but it can only be done if you don’t know your position.
"It would be nice if the moon's magnetic field had even levels..."
The compass cannot be used. In the universe, they usually use the earth or a certain celestial body as a reference to establish a three-dimensional coordinate axis to determine the direction, or use the sun's position and earth's time to determine the direction.
These are all methods when they are in the universe or on the surface of the moon. Underground, without knowing where they are, the only thing they can do is to remember the time and physical sensations.
Thirteen minutes later, the vibration disappeared, the train stopped, and the hatch opened.
Immediately afterwards, the slide rail under his feet moved, moving White Rabbit No. 9 and the three of them out together.
Above your head is the deep black starry sky, and below your feet is a shallow crater.
After sending them to the ground aside, the passage at the bottom of the crater disappeared, replaced by an appearance that was exactly the same as other lunar soil.
"Come out!!!"
The three of them were so excited that they hugged each other and cried with joy.
During these days in the underground base, although they were emotionally stable, talking and laughing, there was still a deep uneasiness deep in their hearts.
At night, I would also think about how my colleagues and family members on earth would react during the days when they disappeared.
"Brother Tao, look what that is?!"
Liu Ning suddenly discovered that there was something similar to a lunar rover not far ahead.
Zhang Tao turned his head and looked, completely stunned. The next second, his face showed ecstasy.
"The lunar exploration rover, this is a lunar exploration rover made by our country, they have not given up on us!!!"
In an instant, his tears flowed down.
The three of them jumped up and down to the lunar exploration vehicle and waved to the camera.
"Earth, Earth, we are members of White Rabbit Unit 9, can you see it?"