The way this alien creature is used is very simple, as long as you enter different parameters, you can jump out of different picture results. Interesting, very interesting...... Yu Yifeng kept experimenting, like playing with a fresh toy.

All kinds of pictures are full of alternative astronomical beauty, because the object of observation is gravitational waves, which look like ripples of radioactive sources.

In fact, human beings are exposed to such superimposed gravitational waves. They can't be seen, they can't be touched, but they are real. Gravitational force is the weakest of the four fundamental forces, and the gravitational force between the two protons is only 1/(1.235*10^36) of the electromagnetic force between them, which is almost negligible.

But on a macroscopic scale, gravity is the only force that governs the movement of celestial bodies.

The most powerful gravitational pull, which is so strong that it is so strong that even light cannot break free, and even neutron stars will be torn apart!

It has to be said that this is a miracle that adds up, from the smallest to the largest, from the weakest to the strongest. Gravity can be said to be a typical example of the struggle of the silk to the peak of life.

Even people like Xu Yunjin, who don't understand science, are immersed in the beautiful picture.

Yu Yifeng found that this telescope can even clearly "see" things hundreds of millions of light-years away, and can also roughly estimate the mass, size and distance of objects from the picture.

But because gravitational waves are so weak, the machine still has its limits. The farther the distance, the higher the requirements for the computer's computation and the quality of the object observed.

After a brief test, things hundreds of millions of light-years away can only be observed by massive sources such as stars, neutron stars, and black holes, and nothing can be done against other small planets.

The closer you are, the more accurate your measurements will be, and you can even "see" small meteorites and comets within a light year!

However, this telescope also has a big flaw, compared with radio telescopes, it cannot see the specific picture, and can only be replaced by corrugated dots. That is, it can only observe the position of the target and the state of its movement.

All right...... In any case, it is countless times clearer than human telescopes, at least human telescopes cannot "see" anything blocked by the planet......

"The spaceship of the Green Light Civilization is very large, the mass should not be small, and it is relatively close to us...... It should be clearly observable. Professor Thomson enumerated a series of data on the screen and said cautiously.

Yu Yifeng nodded: "Then let's try it, what is the mass of Sedna Star?" ”

Now it's time to get down to business, they have spent so much effort just to monitor the Green Light Civilization Spaceship.

That's what matters, and if you can't see each other's spaceships, people don't feel safe.

"The mass level of Sedna should be around 10^20 kilograms. However, the spacecraft of the green light civilization cannot accurately estimate the mass because the specific materials and related structures are not known......"

Professor Thomson pondered for a moment and wrote down a line of data on a piece of paper: "It's 150 kilometers in diameter, so let's think it...... Its overall density is slightly lighter than water, and the mass level is about 10^14-10^16 kg. It shouldn't be as light as the Noah anyway. ”

The observation object of this telescope must start at at least tens of billions of tons, that is, 10^11 kilograms. A spacecraft like Noah, which is huge and has a mass of only a few million tons, is too small to observe.

According to Professor Thomson, Yu Yifeng entered the relevant parameters and hit the enter key, and there were thousands of celestial bodies that appeared this time!

These include a bunch of meteorites after the Earth exploded, the Moon was torn apart...... Well, the solar system does have so many small bodies with masses between 10^14 and 10^20 kilograms.

It took everyone a minute to easily find the gravitational source represented by Saidna, and then ......

Without! There is no such ship!

"What's going on?"

It's just that in an instant, Yu Yifeng's back felt cold. He suddenly thought of something not very good, could it be that the spaceship was deliberately hidden? Still is...... Already left Sedna?

Failed! The gravitational-wave telescope they had given high hopes for turned out to be a failure! Xu Yunjin and the others also clenched their fists tightly, cold sweat broke out on their foreheads, and the disappearance of the alien spaceship was ...... What does that mean?

Just a few days ago, it was no longer possible to see the spaceship through infrared light, that is, the alien spacecraft had been repaired. If it is deliberately hidden, humans will lose its vision and can only see when it is very close!

"Are you sure this is Sedna?" Yu Yifeng asked in disbelief.

"Yes...... This is indeed Sedna, and it should be it! Several people confirmed several times that they could not be wrong about this kind of astronomical common sense.

"But what about the spaceship? Alien spaceships! ”

Xu Yunjin had already shouted out urgently, but he didn't see another small circle.

Yes, it stands to reason that there should be a smaller source of gravity, that is, that huge alien spacecraft!

Where did it go?!

The crowd searched the image several times, but did not see a suitable small circle near Sedna. In the image, there are hundreds of small gravitational sources, and it is not clear which one is an alien spacecraft and which one is a meteorite.

A chill rose from the bottom of his heart, and Yu Yifeng's hairs were about to stand up, and he even wanted to give an emergency order!

“…… Could it be an issue with the scope of the search? Professor Thomson also looked incredulous, with fine beads of sweat on his forehead.

"Could it be...... Are they too close together and gravity is stacked on top of each other? It's possible......"

It took another hour for everyone to start a targeted investigation and eliminate those small gravitational sources one by one, which is indeed ...... No suspicious traces were found!

"They're all meteorites, not alien ships. Maybe that's it, the gravitational pull of the two is superimposed, and the alien ship is still on Sedna. ”

After checking these, many members of the Ministry of Public Security breathed a sigh of relief, which may be an explanation, but it does not completely reassure everyone. It took so long to see the alien spacecraft, which made everyone feel a little helpless.

Professor Thomson added: "Gravitational waves travel at the speed of light, which means that what we see is almost 12 hours ago. If it breaks away from Sedna, we will definitely be able to observe a small circle...... Yes, it must be so. ”

Yu Yifeng frowned, there was no way. In the vast universe, the lag of information is inevitable. In fact, as long as humans don't see it flying towards Mars......

The situation has not developed to the worst, he was a little relieved, and patted Xu Yunjin on the shoulder: "Lao Xu, this place will be handed over to you, be sure to monitor it 24 hours a day, and notify me directly if there is anything." ”

At the same time, he turned his head and said, "Professor Thomson, you are in charge of the maintenance of this telescope, no problem, right?" ”

Xu Yunjin immediately saluted and replied solemnly. But Professor Thomson seemed stunned, staring straight at the observation with his eyes, and said in a stiff voice, "Something is wrong!" ”

Hearing him say this, Yu Yifeng and Xu Yunjin immediately became nervous, "What's wrong?" ”

Professor Thomson seemed to be stunned, and calculated for a long time, and finally slowly spoke: "I just adjusted the parameters and expanded the search range...... Look! ”

Everyone looked up in confusion and saw only ...... Near Sedna, a small ball appeared, close to it. However, its gravitational strength is more than ten times that of Saidna!

Professor Thomson was dumbfounded, "This is ...... The Green Light Civilization Ship? Is the quality of the other party too great? The game is still big for Denastar?! ”

"The mass reaches 10^21 kg! This...... Impossible! ”

Professor Thomson's face was sweating, as if he was talking to himself, "I mean, this ship is ten times more massive than the Dena Star?!" It's absolutely impossible! ”