This radio wave has obvious traces of intelligent civilization. Specifically, it has three triple repeating bands and five twice repeating bands, and there seems to be some logical connection between the repeating bands.
Although there is no way to locate the source of this radio wave, Xiao Yu can be sure based on the current information that it is not far from him.
Xiao Yu's mood became tense. This is probably the first time that humans have come into contact with an alien intelligent civilization. And receiving radio waves in such a void can prove that this alien civilization has at least obtained interstellar voyages.
capable.
"It won't be so unlucky, right?" Xiao Yu muttered silently.
Xiao Yu does not think that other alien civilizations will be like him and start interstellar navigation when their technological level only reaches the ability of interplanetary navigation. In other words, this civilization is likely to reach a speed of 100%.
The sailing speed is five times the speed of light. This represents an insurmountable technological gap. In the face of this technology, Xiao Yu will be a lamb to be slaughtered without the ability to resist.
Xiao Yu adjusted the remaining 800 or so spacecraft to radio silent mode, turned off all visible light emissions, and at the same time, turned on various observation equipment to maximum power.
In the boundless dark universe, Xiao Yu sneaked silently.
Xiao Yu began intense decoding work, trying to translate the signal carried in this radio wave into a language he could understand. At the same time, Xiao Yu secretly prepared all laser cannons, high-rate machine guns, hydrogen bombs, etc. for launch.
Be prepared, always ready to fight.
Under such circumstances, Xiao Yu cannot escape. Because now, that civilization should not have discovered Xiao Yu, and escaping means starting the nuclear fusion engine, and once the nuclear fusion engine is started, it will emit strong radiation.
, it is almost certain that you will be discovered by the other party, and then you will become a target.
Xiao Yu could only maintain the current speed and slowly slide forward under the influence of inertia.
A full ten days have passed. During this period, everything was quiet as usual. Xiao Yu was just waiting and preparing in silence.
Then, Xiao Yu received the second message. This message still showed obvious logical characteristics. These two message receptions finally allowed Xiao Yu to roughly locate the source of the message.
Probably... this information emission source is 800,000 kilometers ahead of Xiao Yu and is approaching Xiao Yu at a speed of four kilometers per second.
Xiao Yu is approaching Tianyuan 4 at a speed of 550 kilometers per second, which means that this unknown information emission source is also approaching Tianyuan 4, but its speed is only 546 kilometers per second.
According to this speed, Xiao Yu will be in contact with him in two and a half days.
"Escape, or?" Xiao Yu was caught in a contradiction.
"Let's parse out the information first." Xiao Yu calculated. "With two pieces of information for comparison, it will take about three hours to decipher their meaning. Once the information is parsed, we can then decide whether to escape."
Xiao Yu manipulated huge computing power and performed a large number of calculations on these two pieces of information. After three hours, Xiao Yu finally cracked the two pieces of information.
"The No. 7 survey satellite is about to run out of fuel. The speed is 13.5 kilometers per second. The detection module has been shut down. Please ask for next instructions."
"Sky Survey Satellite No. 7 has successfully deorbited. The communication module will be shut down soon. Please confirm."
Looking at these two pieces of information, Xiao Yu fell into deep thought.
Judging from the literal meaning, this is a message communicated between a device called "Sky Survey Satellite No. 7" and a console somewhere. Of course, the original text of the message does not say "Sky Survey Satellite No. 7". The original text
The general meaning of "seems to be a certain instrument numbered seven that can fly in orbit. Translated according to the earth's language, Xiao Yu translated it as "Sky Survey Satellite No. 7".
There was an interval of ten days between the two messages. If we understand it logically, it seems that after the first message was sent, the console went through some kind of control and spent ten days steering the satellite away from its original location.
orbit, and shut down its communication module.
This contains a lot of information.
What Xiao Yu needs to do is to analyze the information he needs from these two short pieces of information, such as the other party's technological level, such as the other party's social model, and most importantly, whether the other party is well-intentioned, civilized, or
Malicious civilization, analyzed.
This task is very difficult, the amount of information is too small, and there are too many things that need to be analyzed. But it has to be done even if it doesn't work. Xiao Yu sighed and started the modeling work.
One social model after another was built, and then the models that did not conform to the known information were overturned, and the models that conformed to the known information were continuously improved. Finally, Xiao Yu analyzed some information.
First of all, it is known that this satellite-like instrument is abandoned after the fuel is consumed. Then we can know that from the perspective of this civilization, the cost of recycling this instrument is higher than the cost of the instrument itself. This
This confused Xiao Yu.
Since interstellar navigation is launched, it is inevitable to reserve a large amount of fuel. And a normally operating instrument has too many components that can be recycled. For example, Xiao Yu, after the village-level spacecraft is damaged, Xiao Yu will
It consumes fuel to capture it, dismantle it, and recycle the available parts instead of discarding it directly.
"It seems that this civilization's fleet is in an energy crisis. This is the only explanation." Xiao Yu thought silently, feeling heavy.
Now that this civilization is in an energy crisis, Xiao Yu is in danger. Because this civilization is likely to rob Xiao Yu.
There was another message, "The speed is 13.5 kilometers per second." Xiao Yu was also confused.
"Thirteen.5 kilometers per second?" Xiao Yu thought, "Since the speed is marked, there must be a reference object. So, what is this instrument moving relative to? At present, this instrument can only
It moves relative to the console, so it is difficult to understand. Normally, it will take at least a year for an instrument to run out of fuel. In such a long time, it can fly a distance of 400 million kilometers.
However, judging from the signal strength I received, this signal cannot be received by a console 400 million kilometers away."
This is a contradiction. Xiao Yu thought carefully and had an explanation in his mind.
"To explain this contradiction, we can only explain it by saying that the instrument is making circular motion around the console." Xiao Yu manipulated the huge computing power and made many calculations in an instant. "But in this case, a new contradiction arises
Under what circumstances will a fleet need a satellite with a sailing speed of 13.5 kilometers to revolve around it at all times? "
Xiao Yu has calculated that only a star with a mass of 1.6 times that of the Earth will have a orbiting speed of 13.5 kilometers.
This is a surprising conclusion.
"Could it be that the total mass of this fleet has reached 1.6 times that of the earth? That's why a special instrument is needed to monitor the fleet's situation at any time? No, it's impossible. The fleets have their own communication systems, why do we have to get a satellite?
Come out? Moreover, how could such a huge fleet fail to recover the fuel of a satellite? "
Xiao Yu was puzzled and could not unify these two contradictory pieces of information no matter what.
These two pieces of information also involve a very key word, "detection module".
Obviously, the detection module is only needed when there are unknown situations. So, under what circumstances does a fleet need to use an external instrument to detect the internal structure?
This is another contradiction.
"I can't figure it out. Let's give up here and calculate their level of civilization first." Xiao Yu thought in his mind.
"First of all, it can be determined that they have not mastered long-distance communication, that is to say, in terms of quantum theory, they are no deeper than me. Then, in terms of energy, the first message said that the fuel was about to run out, and then it ran for another ten days
After a while, I turned off the communication module, so I can make some assumptions about fuel utilization..."
"Assume for the moment that the instrument is moving in a circular motion and mainly relies on inertia to maintain its orbit. Judging from its abandonment, its mass cannot be too large, otherwise it cannot be abandoned so easily. Assume for the moment that its mass is ten tons.
, and assuming that only 0.1% of its fuel remains, then, from a comprehensive analysis..."
"They're still fusion energy."
Xiao Yu came to this conclusion.
But a new contradiction emerged. How could a civilization that uses nuclear fusion as energy build such a huge fleet?
One question after another popped up in Xiao Yu's mind.
"Since this satellite has been abandoned, maybe I can capture it." Xiao Yu suddenly had an adventurous idea in his heart.
After thinking for a while, Xiao Yu gritted his teeth and made up his mind.
"Do it! Why don't you dare! There's no way to run away now anyway, why not find out as much as possible about their level of civilization, and even if you die, you have to die vigorously!"
After making up his mind, Xiao Yu turned on the optical detection equipment to the highest accuracy. Finally, with the help of weak starlight reflection, Xiao Yu found the instrument at an offset of 500 kilometers from the estimated location.
It was a strange instrument that was about ten cubic meters in size and shaped like a starfish.
Looking at the thing in front of him, Xiao Yu was very excited. This was Xiao Yu's first contact with an alien civilization!
Xiao Yu controlled a village-level spacecraft and approached the satellite with the lowest power. At the lowest power, the nuclear fusion engine of the village-level spacecraft only emitted extremely weak radiation, which presumably would not be detected by the speculated alien civilization.
Discovered. After getting closer, Xiao Yu used a robotic arm to grab the satellite into the cabin.
Then it was transported into the largest and most well-equipped county-level spacecraft and analyzed.