Heterogeneous star

Chapter 390 [Who can give Han Shuo a defeat? 】

Han Shuo never expected that He Guangtian would ask himself a question about physics. Han Shuo knew that he was trying to win back a fight for his apprentice, but he calmly faced it. He typed on the keyboard Text like this: "It was never suggested before the 20th century that the universe was expanding or contracting, which interestingly reflects the ethos of thinking at the time. It was generally believed that the universe existed either in an unchanging state Infinite time, or more or less as we see it today, was created out of a finite time past. This may be partly due to the tendency of people to believe in eternal truths, but also because although humans are born, aged, sick and died, the universe The notion that it must be immortal and unchanging is reassuring. Even those who realized that Newton's theory of gravity made the universe impossibly static did not think of suggesting that the universe might be expanding. Instead, they tried to revise the theory , making gravitational forces repulsive at very large distances. This does not have a significant effect on the predictions of planetary motions, but allows the distribution of an infinite number of stars to remain balanced—attractive forces between nearby stars are balanced by repulsion."

Han Shuo's answer caused quite a stir.

"What are you talking about? People think that the universe won't expand or shrink just because people sincerely hope that the universe is eternal, so people don't argue that it is not eternal? What kind of theory is this? Why does it sound so far-fetched ah?"

"Upstairs, you think it's far-fetched, right? I don't think Master Shuo's theory is far-fetched at all. I also think that nothing is eternal, including the universe we live in. In fact, everyone insists that the universe is Eternity is just a psychological effect, as Master Shuo said, the concept that the universe must be immortal and unchanging can give people comfort. Therefore, everyone does not argue about the expansion and contraction of the universe.”

"The theory of the eternity of the universe that people have stuck to for so many years is actually just an illusion caused by psychological effects in Han Shuo's eyes. This is really incredible. Han Shuo's thinking mode is really different from normal people. Crazy!"

"Master Shuo's theory is so good, I can't think of an adjective to describe it."

"Seeing Master Shuo's answer, I was really stunned. Master Shuo, why are you so talented? How dare you think so much? Your insights in physics are really unique. You can't find another person who thinks like you."

"Master Shuo, you are so cool!"

Netizens felt that Han Shuo's answer was really surprising, but they actually felt that what Han Shuo said made sense and expressed their support for his theory.

Netizens support Han Shuo so much, logically speaking, He Guangtian should be depressed.However, when He Guangtian saw Han Shuo's answer, instead of being depressed, he was also happy. Since Han Shuo himself mentioned the issue of repulsion, he would use the issue of repulsion to make things difficult for Han Shuo.Therefore, He Guangtian asked another question: "Ait Han Shuo, since you also mentioned the problem of repulsion, then I want to ask you, since there is such a thing as repulsion. Then, gravity and repulsion balance each other, and our universe Can't it stay the same forever?"

In fact, if Han Shuo hadn't taken the initiative to mention the word "repulsion", He Guangtian would not have thought of this problem. However, after Han Shuo said this, he immediately remembered such things as repulsion.In his previous cognition, the function of repulsion is to resist gravity, so as to maintain the balance of everything in the universe.According to this statement, the universe should be eternal, which just goes against Han Shuo's argument.In this way, he did not believe that Han Shuo had any way to continue to stick to his point of view.

He Guangtian's questioning aroused strong reactions from netizens.

"Yes, yes, Mr. Han Shuo, since there is repulsion, then once the repulsion and gravity are balanced, wouldn't the stars not fall together along a certain central point? Isn't the universe eternal in this way? Teacher Han Shuo, how do you explain this question?"

"I think Mr. He Guangtian is right. Han Shuo, you just said that people think the universe is eternal just because people are unwilling to admit that the universe is not eternal. However, I feel that your statement is wrong. The universe originally It should be eternal. As Teacher He Guangtian said, gravity and repulsion balance each other, so our universe can remain unchanged forever?"

"Teacher He Guangtian asked a good question. I feel that Han Shuo might not be able to answer it."

"Fuck! What is repulsion? I only heard of gravity, which was discovered by Newton. Who discovered repulsion? Marton?"

"Pfft! The one upstairs is so funny, Marton haha"

"To be honest, I don't know what repulsion is, but judging from their dialogue, repulsion is a force that repels each other, which is the opposite of gravity. Teacher He Guangtian means that there is repulsion and gravity in the universe. When the two forces are balanced together, the universe can maintain balance."

"I haven't even heard of repulsion. Master Shuo is not a professional in physics. Can he know what repulsion is? He won't be stumped by He Guangtian's question, right? Suddenly I feel worried for Master Shuo." ah!"

"It's over, I feel that Master Shuo may not be able to answer this question, alas."

"This essay question is indeed difficult enough. If Master Shuo can answer it, then he is really a genius."

"Don't think about it, this question is so difficult, Han Shuo will definitely not be able to answer it."

"Such a difficult question, even if Master Shuo is a genius, he can't answer it!"

Netizens were discussing the difficulty of the question that He Guangtian just raised. They all thought that the question was too difficult for Han Shuo to answer.And He Guangtian himself thought so, and he didn't believe that Han Shuo could answer this question.

However, what He Guangtian didn't expect was that Han Shuo directly refuted him without giving him any face: "Hehe. I really didn't expect that a majestic physicist would make such a mistake. In fact, such a balance is unstable. , if the stars in a certain area are slightly closer to each other, the gravitational force will increase and exceed the repulsive force, so that these stars will continue to fall together. On the contrary, if the stars in a certain area are slightly farther away from each other, the repulsive force will play a role dominance and drive them further apart."

(End of this chapter)