Chapter 1536 Give the old Taoist a popular science

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"Do you really think it's that simple? Do you really think that everyone has a corresponding natal planet? Those mediocre people out there, do you think they will have their own natal stars? Li Jingxian was a little disdainful of the apprentice's question, looked at Li Chengqian and said: "The teacher knows that you have never believed in these mysterious things, so I have never told you about these things, but not saying it does not mean that these things do not exist." ”

"You can not believe in something, but you can't say that what you don't believe in is not true, or it does not exist, the heavenly deduction has existed for thousands of years, and there must be a reason for its existence, and how many emperors and generals in ancient times did not believe in this thing? There are a lot of smart people among them, and if this thing is really deceptive, do you think they won't be able to see it? ”

Li Chengqian looked at the old Taoist priest a little speechlessly, and suddenly found that it was a mistake to discuss the stars with him, for his god stick, he could casually cite countless examples of the connection between the stars on tomorrow and the gate of people.

However, Li Chengqian, who came from later generations, knew that the stars in the sky were stars, just stars visible to the naked eye in distant space.

It is too idealistic to use stars to represent people, which is like the lottery in later generations, everyone believes that there is a pattern in winning the lottery, and desperately tries to find this pattern.

But does this rule really exist? Can probabilities really be calculated by human intelligence? Li Chengqian felt that this seemed to be a bit. It's not that he doesn't believe that there will be a pattern to winning the lottery, he just doesn't believe that this pattern can be calculated by a human being with a pen.

In the same way, it's not that he doesn't believe in the relationship between stars and people, he just doesn't believe that this relationship can be so simple that you can see it at a glance when you look up.

He does not oppose these two factions in the Tang Dynasty, but he does not believe in some things, and he does not want to let some unnecessary things defile the minds of the people of the Tang Dynasty.

Things that are too idealistic are not good, people should be rational in the end, and have their own judgment on everything, which is an independent person.

It was based on this idea that Li Chengqian smacked his lips and said after quietly listening to the old Taoist priest: "If I say that the star is a big fireball, well...... it is something similar to the sun, some of them are bigger than the sun, and some are smaller than the sun...... Can you believe it? ”

The old Taoist priest didn't speak, but the way he looked at the monster was enough to prove that he was thinking that Li Chengqian was a madman.

In ancient times, there was a legend of Hou Yi shooting the sun, and the legend said that there were ten suns in the sky scorching the earth, so that all the water in the rivers was evaporated .......

Legend has it that only ten suns can already cause such damage, if according to Li Chengqian, the stars in the sky are all suns, then isn't it equivalent to thousands of suns in the sky? So many suns put together...... Not to mention whether humans will be roasted to death, at least the night should be brighter than the day!

Lao Dao finally asked the doubts in his heart, as a Taoist senior with a strong desire for knowledge, his learning ability is very strong, although he has reason not to believe Li Chengqian's words, but in the end he decided to listen to his explanation.

Li Chengqian lit a candle on a lamp, watched the bright flame dance in front of him, and only raised it up to Li Jingxian after a while and asked, "Master, do you feel hot?" ”

"Hot?" The old Taoist priest was even more confused, but quickly shook his head.

"And now?" Li Chengqian walked up to Li Jingxian with a candle and placed the candle flame very close to his palm.

"What do you want to say?" Li Jingxian quickly withdrew his hand, for fear that Li Chengqian would not burn him lightly or heavily.

"There is a distance limit for the transfer of heat, and the stars in the sky are the same, the reason why the sun makes people feel warm is because it is very close to us, just like this candle, when it is close to the human body, people will feel its temperature, but if it is far away, it will ......"

Li Chengqian said as he motioned to the palace maid next to him to take the candle and walk into the distance: "When he was far away, the temperature was lost due to the change in distance. In the same way, the change in distance makes it smaller, as if we see torches in the distance in the wild. ”

Li Jingxian's brows were tightly furrowed, as if it was difficult to accept Li Chengqian's explanation for a while, but if he thought about it according to his inference, the old Taoist priest could not deny his judgment.

After a long time, the old Taoist priest seemed to think of something, and his eyes lit up and asked Li Chengqian, "What about Taiyin?" How do you explain the yin star? ”

Taiyin Star, a more professional name for the moon in ancient times, Li Jingxian, as an elder of the Daomen, naturally does not call the moon and the moon like ordinary people.

"What's wrong with Taiyin Star? The star is not a star, it just reflects the light of the sun, just like a mirror ...... now. Li Chengqian seriously conducted a half-hour popularization of science to the old Taoist priest.

The old man finally summed up, and asked with some uncertainty with countless threads in his eyes: "You mean that everything in the world will be reflective?" We see things because those things are reflective so we can see, but if we encounter something that is not reflective, we can't see it? ”

"Isn't that what it is, that's why we can't see things at night, because if there is no moon at night, if there is no light, then everything has no way to reflect light, and we are naturally blind and cannot see anything." Li Chengqian spread his hands and made a completely correct expression.

Li Chengqian only had less than a quarter of an hour to explain the optical problems in junior high school physics to Di Renjie, but it took nearly an hour to explain to Li Jingxian, the old man, and the old man was still full of questions.

……

Finally, when night fell, Li Chengqian really couldn't stand Li Jingxian's endless questions, rubbed his forehead and said with some pain: "I said old man, let's go back and discuss this matter, you see I have been on the road for a day today, and there are still a few wives waiting to be comforted at home, are we almost over?" ”

"Well, if you have something, go back first, the old man still has to think about it." The old Taoist's self-proclaimed claim is always changing, but fortunately, Li Chengqian is used to it, otherwise he will definitely think that he is a fake Taoist.

"Then you think about it, and rest early." Li Chengqian shrugged his shoulders and got up to leave, but when he walked to the door, he suddenly turned around,

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