The use of this alien creature is very simple, as long as you enter different parameters, you can jump out of different picture results.Funny, very interesting... Yu Yi Feng kept experimenting, like playing with a fresh toy.

The various pictures are full of alternative astronomical beauty, because they are observing gravitational waves, which look like ripples of radioactive sources.

In fact, humans are in such superimposed gravitational waves.They cannot see, they cannot touch, but they really exist.Gravity is the weakest of the four basic forces, the gravitational force between the two protons, only 1/(1.235*10^36) of the electromagnetic force between them, is almost negligible.

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

The most powerful gravity, its strength far exceeds the strong interaction, even light can not break free, even the neutron star will be torn!

It must be said that this is a miracle of accumulation, from the smallest to the largest, from the weakest to the strongest.Gravity can be said to be a typical struggle to go to the peak of life.

Even Xu Yunjin, who does not understand science, is immersed in beautiful pictures.

Yu Yifeng found that the 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 screen.

However, because the gravitational waves are so weak, the machine still has its limits.The farther away, the higher the calculation of the computer and the quality of the observed object.

A simple test, hundreds of millions of light-years away, only stars, neutron stars, black holes and other massive sources can be observed, there is no way to other small planets.

The closer the distance, the higher the accuracy of the measurement, and even "see" small meteorites and comets within a light of a year!

However, this telescope also has a big defect, than the radio telescope, it can not see the specific picture, can only be replaced with a corrugated dot.That is to say, it can only observe the location of the target and the motion.

Well... in any case, it is countless times clearer than human telescopes, at least human telescopes, can not "see" anything blocked by the planet.

“The green-light civilizational spacecraft are very large, the mass should not be small, and they are closer to us ... and should be clearly observed.”Professor Thomson listed a series of data on the screen and said cautiously.

Yu Yifeng nodded: “Then try, what is the mass of Sedna Star?”

Below they should do the right thing, they spent so much effort, that is, to monitor the green civilization ship.

This is the important thing, you can't see each other's ship, people do not have any sense of security.

"Sedena star mass level, should be about 1020 kg.And the green civilization of the spacecraft, because do not know the specific material and related structure, the quality can not be accurately estimated..."

Professor Thomson mused for a moment and wrote a line of data on the paper: "Its diameter is 150 kilometers, and for the time being, it is considered that ... its overall density is slightly lighter than water, and the mass level is about 101410^16 kg."It shouldn't be as light as the Noah."

The telescope's observation object must start at least tens of billions of tons, that is, 1011 kg.A ship like Noah's huge and only a few million tons of mass is too small to be observed.

According to Professor Thomson, enter the relevant parameters and hit the back button, this time there are enough stars!

These include the explosion of the Earth, the pile of meteorites after the moon was torn apart... Well, the solar system does have so many small bodies with masses distributed between 101410 and 20 kilograms.

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

No more!There is no ship!

“What’s going on?”

Only in an instant, the back of the Yifeng felt cold.He suddenly thought of something not very good, did the ship deliberately hide?Or... has he left Sedna Star?

Failed!The gravitational-wave telescope they gave high hopes failed!Xu Yunjin and others also held their fists tightly, their foreheads were cold sweating, and the disappearance of alien spacecraft... What does it mean?

Just a few days ago, people were no longer able to see the ship through infrared light, that is, the alien spacecraft has been repaired.If it is deliberately concealed, humans will lose their field of view and can only be seen when they are very close!

“Are you sure this is Sedna Star?”Some of them asked incredulously.

“Yes, that’s Sedna Star, it should be!”Several people have confirmed it several times, this astronomical common sense, they can not be mistaken.

“But what about the ship?“The alien ship!”

Xu Yunjin had shouted out in a hurry, and he did not see another small circle.

Yes, according to the reason, there should be a smaller gravitational source, that is, the huge alien spacecraft!

Where did it go?!

The crowd looked for it several times in the image, and indeed did not see the right little circle near the Sedna star.In the image, hundreds of small gravitational sources do not know which is an alien spacecraft and which are meteorites.

A cold rose from the bottom of the heart, and the sweating hairs of Yi Feng were standing up, and even wanted to give an emergency order!

“Maybe it’s a search question?”Professor Thomson was also an incredible face, with a thin sweat on his forehead.

“Is it ... their distance so close that gravity is stacked together?”This is possible...”

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

“They’re all meteorites, not alien spacecraft.Perhaps that's it, the gravitational pull of the two is stacked together, and the alien spacecraft is still in Sedna."

After checking these, many members of the Ministry of Public Security gave a breath, which may be an explanation, but it did not make everyone completely at ease.It took so long to work hard, still did not observe the alien spacecraft, so that people feel a little helpless.

Professor Thomson added: "Gravity waves travel at the speed of light, that is to say, we are seeing almost 12 hours ago.If it were off Sedna, we would have been able to observe a small circle... Yes, it must be so."

It is also impossible to frown at the peak.In the universe, the lag of information is inevitable.In fact, as long as humans don’t see it flying to Mars...

The situation has not yet developed to the worst, he was a little at ease, patted Xu Yunjin's shoulder: "Old Xu, here is left to you, be sure to monitor all-round 24 hours, what is directly notified to me."

At the same time, he turned to say, "Professor Thomson, you are responsible for the maintenance of this telescope, is it okay?"

He saluted and answered solemnly.But Professor Thomson seemed to froze, eyes straight at the observation image, and the voice stiffly said: "Something is wrong!"

Listening to him say this, Yu Yifeng and Xu Yunjin immediately nervous, "What's the matter?"

Professor Thomson seemed to be stunned, and had been calculating for a long time, and finally slowly said: "I have just adjusted the parameters and expanded the scope of the search... you see!"

The people looked up suspiciously, only to see... near the star of Sedna, a small ball appeared, close to it.But its gravity is more than ten times that of Sedna!

Professor Thomson said in a daze: "This is ... the green light civilization ship?"Is the quality of each other too great?“Is the game too big?”

"The mass reaches 10^21 kg!It's...impossible!"

Professor Thomson sweated his face, as if to himself: "I mean, the quality of this ship's game Dena Star is ten times bigger?!