Looking at the starry sky, scientists are in silence, thinking nervously.

"I have an idea." A scientist from the seventy-fifth race stood up and said with some nervousness: "In our existing theoretical system, our big universe is finite but boundless, so can we think that this small universe torn out of the big universe is also such a structure, finite, but boundless?" ”

"What does this mean?" Xiao Yu asked rhetorically, and at the same time gestured to it with an encouraging look.

In fact, Xiao Yu knew very well what the scientist was going to say, and Xiao Yu's thoughts were the same, but Xiao Yu did not say what he thought. At the right time, it is also important to cultivate the mindset of these scientists. Anyway, it doesn't matter to Xiao Yu that his name is false, Xiao Yu is happy to give the honor to these scientists and let them work harder for themselves.

With Xiao Yu's encouragement, the scientist seemed to have a lot more confidence, he saluted Xiao Yu, and then said: "First of all, we know that light depends on space to propagate, and the bending of space will also make light bend. After reaching the edge of the universe, the light goes back the way it came. Therefore, I have a hypothesis that all the stars in this small universe are the same. ”

Xiao Yu nodded slightly. This scientist's thinking is exactly the same as his own.

There was a lot of discussion in the conference room, with some scientists expressing support and others opposing.

"Let's discuss the possibility of this speculation." Xiao Yu said, waved his illusory arm, and sent a command, and the three-dimensional projection equipment projected two mirrors between Xiao Yu's hands.

These two mirrors are very ordinary, and they are no different from the mirrors made by humans in the age of the earth. Two mirrors stand opposite each other, immediately. In both mirrors, infinite shadows appeared, extending to the infinite distance of nothingness, endless, with no end in sight.

This phenomenon is very common, and it is easy to reproduce this scene in the human society of the earth age, Xiao Yu in his childhood, and also did such an experiment, that is, take two mirrors and let them look at each other. In each mirror, an infinitely extended image appears. This is because the light is reflected back and forth between the two mirrors, first mirror A shines on mirror B, mirror A has the image of mirror B, then mirror B reflects the image of mirror A and its image from mirror A again, and then mirror A shines on mirror B...... The light is reflected every time. The number of such phantoms will increase by one, more and more. All the way up to infinite.

The scientist's point of view. It's like two mirrors looking at each other and there will be infinite shadows. Xiao Yu pointed to the phenomenon that appeared in these two mirrors and said, "This phenomenon can probably explain that in this small universe that we are in now, there are so many spectra, volume, and mass. Stars with exactly the same data such as density. The simple reason is that they are all originally the same star. It's just that its light has been reflected infinitely many times at the edge of the universe, so it looks like there are so many stars. ”

All the scientists looked at me with a sudden realization. As junior fifth-level civilization scientists, they can easily understand every reaction in this process.

Because in Xiao Yu's existing theoretical system. The universe is finite but boundless. For example, a two-dimensional plane universe is curled into a three-dimensional sphere, and the creatures of the two-dimensional universe live on the surface of this sphere, so it is easy to understand the phrase finite but boundless, because it is obvious that these two-dimensional creatures, no matter from which point to which direction, no matter how far they sail, they cannot find the boundary of this universe, at most they return to the original point.

In the same way, a three-dimensional shijie, from a four-dimensional perspective, is also a sphere, nothing more than a four-dimensional sphere. It is still limited, but there is no boundary, and it is impossible for light to travel out of this three-dimensional universe, at most, to return to the original point.

Then this is well explained. The light of a white dwarf star, starting from this white dwarf star and then propagating in the three-dimensional shijie, may be due to the difference between the four-dimensional shijie and the three-dimensional shijie, it does not return to the origin after returning, but appears in another position. Then from the perspective of the creatures in this universe, there is one more star in the starry sky of the universe. Then its rays continue to propagate and return again, making it appear to have one more star...... After countless reversals and deflections, the current scene was formed, and it seemed that countless identical stars appeared in the universe.

It's like an infinite shadow reflected by two mirrors facing each other.

At the same time, it is also easy to explain why this phenomenon does not occur in the large universe of the real shijie. Because light also weakens as it propagates, it is likely to be so weak that it is impossible to observe when it travels from one side of the universe to the other. Another point is that the scope of the universe is too vast, and even light will take more than 10 billion years to reach the edge, and the universe has only been 13.7 billion years since its birth.

Therefore, it is impossible for such a scenario to occur in the large universe, and only in such a miniature universe can there be such a phenomenon.

"But one thing to point out is that this is just a speculation on our part." Xiao Yu said, "We just found an explanation, but we couldn't verify it. And Smart One made it very clear, we only have one chance. Once a mistake is made, there is no possibility of unraising. Now, I need a way to test this hypothesis. And there is another point, even if our speculation is proved to be correct, how can we eliminate the illusion and find out the truth? This is still a difficult question. ”

Because obviously, since only one of these stars is an entity, and the rest are illusory, then the hiding place of Intelligence One must be the real star. But...... How can we find this real star in the myriad shadows that surround it?

"We have the ability to verify this speculation, and at the same time, we can find the real star." Luca III said, "Actually, there are some mistakes in your statement, master. Each of these infinite stars, each one is not an illusion, each one is a substance, but they are still the same. ”

This statement seems to be a bit contradictory. In this cosmic starry sky, more than a billion stars have been observed so far. Each of them is an entity, that is, a billion stars, but they are the same one, a billion and one, and the difference between them is so huge that it seems impossible to connect the two numbers.

All the scientists looked at Luca III and waited for it to continue.

"It's actually easy to explain." "Because no matter which star we choose and approach it, we will eventually be transported to the same place in this three-dimensional shijie that is curled into a four-dimensional sphere, next to the real star. So this test is actually not a little difficult, these billion stars, choose one to approach at random, and we will come to the real target location. I think that the words that Intelligence One said that we only have one chance and should choose carefully are just putting psychological pressure on us and making us dare not choose easily. ”

After hearing Luca Three's statement, the room fell silent again. Scientists are thinking hard, including Xiao Yu.

After being silent for a while, Xiao Yu said: "This statement is very reasonable. Our current theoretical system is very supportive of this statement, and it is a perfect explanation for what we are currently encountering. But...... And on the other hand, how do we test this hypothesis? Kindness...... Very good, very good, this speculation is actually very well verified. ”

Luca No. 3 looked at Xiao Yu's phantom with a smile on his face and nodded: "It's really good to verify." ”

At this moment, there are still some scientists who have not figured it out, still confused, looking at the two of them in confusion. Xiao Yu explained: "Since the three-dimensional universe is a closed sphere in the four-dimensional shijie, and no matter which way we sail, we will eventually return to the original point, so let's just sail away once and see if we will return to the original place." Anyway, we won't be near any star until the verification results are out, and that's not a rule violation. ”

"That's it." Luca III continued: "Actually, if we just want to test the light deflection and explain why there are so many stars, we just need to launch a powerful artificial sun and see if there are any other powerful artificial suns in the universe." But in order to verify the claim that every star is an entity, it is better to sail it yourself, so that the data obtained is more complete and more credible. ”

"Good. An artificial sun has been launched, and it can last for half a month. Kindness...... If our calculations are correct, the diameter of this small universe is only 30 to 40 billion kilometers, and at the speed of light, we will see another phantom in the universe in three days at the latest. If there is an illusion, we will sail towards this illusion and see if we can finally reach the side of this artificial sun......"

"That's my whole jihua." Xiao Yu said, "If we can really reach it, then the first test will be easy to pass, if we can't reach it, then we will be proved wrong, and we will think of other ways." (To be continued......)

PS: Starting tomorrow, the update time will be fixed, in the case of normal two watches, a change at 12.06 at noon, a change at 19.06 in the afternoon, plus a change is counted separately. Also, ask for a monthly pass!