(Two-in-One Chapter)
The next day, the Datang Daily published an article written by Li Zexuan himself. It was called "Overview of Astronomy." This was an article to popularize basic astronomical knowledge to the public. In the article, Li Zexuan formally introduced the concept of the solar system to the public. He pointed out that the sun was a star, and the earth under our feet was called the earth. It was a planet in the solar system. Moreover, there were five planets in the solar system: metal, wood, water, fire, and earth. The planets in the solar system all revolved around the sun!
At the same time, he also pointed out that it took about 365 days for the earth to revolve around the sun, which was what people often called a year. Therefore, people could feel the changes of the four seasons in a year. The moon was the earth's satellite, and it would revolve around the earth. It took about 27 days for it to revolve around the earth, which was about a month. Therefore, every month, the moon would be waxing and waning. In addition, the earth also rotated, and its rotation period was about a day. Therefore, people could see the sun rise and set every day!
In addition, in this article, Li Zexuan also explained to the public the cause of the solar eclipse phenomenon. When the moon moved between the sun and the earth, if the three of them were in a straight line, the moon would block the sun's light, and the shadow behind the moon would fall on the earth. At that time, a solar eclipse would occur.
In order to better let the readers understand the theory in the article, he also added some simple diagrams of the orbit of the stars. Basically, as long as the reader was literate, they would be able to understand the cause of the solar eclipse after reading it! ,
Finally, Li Zexuan stated that the above content could be observed and verified with the telescopes of Yanhuang College.
As for why he only mentioned the six planets in the solar system (metal, wood, water, fire, earth, and earth), and not the eight planets, it was mainly because the other two planets (Uranus and Neptune) were relatively dim, orbiting slowly, and were at the edge of the solar system. Yanhuang College's telescopes couldn't observe them. Therefore, he could only tell people that there were six planets in the solar system!
In fact, the ancient people mentioned several planets in the solar system in astrology. The most important content of astronomical observation was the "five stars, seven policies." The so-called "five stars" were five planets visible to the naked eye: "Mercury," "Venus," "Mars," "Jupiter," and "Saturn." The so-called "seven policies" were the addition of the sun and moon on the basis of the "five stars."
Therefore, the concept of the six planets in the solar system proposed by Li Zexuan was very easy to understand! With the telescopes of Yanhuang College as supporting evidence, the theory was even more convincing!
Li Zexuan's intention in writing this article was to give the people a heads-up about the Heavenly Dog's solar eclipse that would appear in two days.
Since ancient times, whenever the solar eclipse phenomenon appeared, it was regarded as a sign of the king's muddleheadedness, a sign that the country was about to die. This made the people panic, and those with bad intentions would take the opportunity to cause trouble, or even encourage the people to rebel. Li Zexuan wanted to tell the people in advance that the solar eclipse was a normal astronomical phenomenon, and it had nothing to do with the king's muddleheadedness.
Once this article was published by Datang Daily, it immediately caused a huge sensation. The world outside the earth, such as the sky, the moon, and the sun, had always been very mysterious in the hearts of the people. Moreover, celestial bodies like the moon and the sun had special meanings in many ancient myths and legends. Now that Li Zexuan had unveiled the mystery of these celestial bodies and officially proposed the concept of the solar system, it was refreshing, and the people were shocked!
"What? The earth under our feet is spherical? And it even orbits around the sun? "
"Look at this picture, there are five other planets that also orbit around the sun, just like the earth?"
"Nonsense! It's complete nonsense! How can the earth under our feet be spherical? Also, how can the earth under our feet revolve around the sun? Don't tell me the sun doesn't revolve around us? It's because of this that we can see day and night! "
"You can't say that the Marquis of Yong 'an is spouting nonsense! Because according to the Marquis of Yong 'an's point of view, we have four seasons: spring, summer, autumn, and winter every year. Far from the sun is winter, and close to the sun is summer! A year is a cycle, and it also happens to be a revolution cycle! "
"Furthermore, the Marquis of Yong 'an's' Earth can rotate 'view is very unique, because if the Earth's rotation cycle is a day, then it can explain why there is day and night on Earth!"
"The Marquis of Yong 'an's point of view is hard to not believe! I heard that there is a scholar in the Imperial Bureau of History who uses astronomical telescopes to observe the celestial bodies in Yanhuang College. If there was no proof, the Marquis of Yong 'an would definitely not dare to say these points of view with such certainty! Now that he has said it, then it can definitely be proven with astronomical telescopes! "
"That's right! That's right! The Marquis of Yong 'an is a knowledgeable person, and since he dares to say this, and has so much proof in his hands, it means that it is all true! I believe the Marquis of Yong 'an's words! "
"I also believe it! And today I finally understand why there is a solar eclipse. It turns out that the moon is blocking the sunlight that shines on Earth! In the past, people thought that the solar eclipse was a bad omen, but looking at it now, it is so laughable! "
The people were discussing Li Zexuan's article. There were those who were suspicious of it, and those who were supportive. The main reason was that Li Zexuan's point of view was very sufficient, and it explained many problems that could not be explained in the past. Coupled with a few illustrations, it was very easy to convince people!
At this time, Li Zexuan could not help but be thankful that he was an "engineering student" in his previous life, because engineering students paid the most attention to clear logic, sufficient evidence, and sufficient data. It was because of this rigorous academic quality that he was able to write a scientific article that was completely different from the style of this era, and yet was able to convince the majority of people!
Besides, Li Zexuan had put on a "if you don't believe me, come to the Yanhuang Academy and see for yourself with your binoculars" posture. This strong confidence was even more convincing!
Of course, Li Zexuan's lofty reputation among the people and the academic community also played a considerable role in this. Even if engineering had not been widely recognized and become a mainstream theory, there were already many scholars among the people who admired Li Zexuan very much!
With the support of various reasons, there were many people who believed in Li Zexuan's solar system theory. Since then, the solar system theory had shown its first success in Tang Dynasty!
…
In the palace, after Li Zexuan finished the morning assembly, Zhao Song handed over today's Datang Daily to Li Er. As he was present when Li Zexuan met the emperor yesterday, he immediately understood Li Zexuan's intention after seeing the article written by Li Zexuan today. In his opinion, Li Er would be happy to see this article!
"Solar system? Planet? Solar eclipse? Now that this kid mentioned it, a solar eclipse doesn't seem to be a bad thing! Hmm, he's trying to reduce the impact of the solar eclipse on the people. It's really hard on this kid! "
After reading the solar system theory and Li Zexuan's explanation of the solar eclipse, Li Er also understood Li Zexuan's intention. He could not help but sigh in his heart.
"Order the Bureau of Imperial History, Li Chunfeng, to compile a draft of the results he observed with the telescope in Yanhuang College over the past six months. In the name of the imperial court, publish it on Datang Daily to let the people completely believe in Li Zexuan's solar system theory and explanation of the solar eclipse!"
After thinking for a moment, Li Er gave the order.
Li Chunfeng had borrowed the telescope in Yanhuang College for so long, so naturally, he had discovered something. Regarding the orbit of the planets in the solar system, Li Chunfeng had already drawn a star map at the beginning of the year and secretly showed it to Li Er. Therefore, when Li Er saw Li Zexuan's theory now, he did not seem so surprised!
Li Er was not afraid of the rumors during the solar eclipse, nor did he intend to make arrangements in advance to deal with it. However, now that Li Zexuan had helped him, he naturally did not mind going with the flow and providing Li Zexuan with official evidence to let more people believe in Li Zexuan's theory!
Zhao Song understood and said, "Yes! Your Majesty! This old servant will go to the Bureau of Imperial History to pass on the decree! "
…
The impact of Li Zexuan's solar system theory was not small at all. After the news spread to the Japanese diplomatic corps, the King of the Mountain Back seriously read the "Overview of Astronomy" more than ten times. In the end, he could not help but sigh.
"The Marquis of Yong 'an is really a learned man. I have never heard of such a theory, but it is so reasonable and it is hard not to believe! While our people are still worrying about food and clothing, the Marquis of Yong 'an has already set his sights on the world. Such knowledge and such breadth of mind, I am afraid that no one in the world can compare to him! If he can be used by our country, then our country will not have to worry about not being able to prosper and prosper! "
After sighing for a while, he looked at his subordinate and asked, "Ishikawa Joki, how is the training of our football team?"
After Yoko Ono's death, he had one less person to serve him at all times. Now, he was the head of his guards, taking over Yoko Ono's position!
"Your Highness! The progress of the football team's training has been very good recently! We have learned the tactics of a few of the top ranked teams in Tang, and now the cooperation between the team members is very good. A few days ago, we had a private competition with a few Tang First Division teams, and we won all of them! This subordinate believes that we can fight against the best team in Great Tang and emerge victorious! "
Ishikawa Joki was a Japanese warrior in his thirties. Although he was not burly, his body seemed to be filled with strength, and no one dared to underestimate him. At this time, he was reporting to the King of the Mountain Back respectfully.
The King of the Mountain Back said with satisfaction, "Good! When the Tang Football League is over, I will go to see the Emperor of Tang and request to compete with their best team. The Tang people are prideful, and the Emperor will definitely agree! If we win, maybe the Emperor of Tang will accept our conditions. In the future, the Japanese can send students to Yanhuang College to learn advanced knowledge! "
(The term "students" originated from the cultural exchange between China and Japan during the Tang Dynasty. It meant Japanese students who stayed in China to study after being sent back by the Tang Dynasty. In modern times, it generally refers to students who stayed in foreign countries to study or do research.)
This guy really had a good plan. He had never given up on the engineering knowledge of Yanhuang College!
As the saying goes, the onlooker sees more clearly. While the Tang people were still fighting each other over Confucianism and engineering, the King of the Mountain Back, an outsider, had already seen through the fact that engineering was more practical than Confucianism. He even had a faint feeling that engineering could make a country invincible in the world! He very much hoped that one day, Japan could surpass all the other countries in the world. Therefore, his obsession with Li Zexuan and Yanhuang College was very, very deep!
However, in a country as powerful as Tang Dynasty, he did not dare to reveal the hidden ambition in his heart. He knew that the most important thing now was to keep a low profile, endure, and develop!
…
On this day, other than the heated discussion about the Solar System Theory, something else happened. The Ba River dam finally began to fill up!
"Marquis! All the sluice gates have been closed. The current water level is seventy-five zhang! "
"Marquis! Two hours have passed. The water level has risen to ten zhang! "
"Marquis! Four hours have passed. The water level has risen to twelve zhang! "
"Marquis! Six hours have passed. The water level has risen to thirteen zhang! "
Starting from nine in the morning, all the sluice gates of the dam were closed. The previously built aqueducts were all blocked. The water level in the upper reaches of the Ba River was constantly rising. Fortunately, there were no people living near the riverbed in the upper reaches. Otherwise, they would be in danger of being flooded!
Listening to the craftsmen's repeated reports, Li Zexuan's heart didn't completely relax. This was because the water level was getting more and more difficult to rise. A mere hundred feet of water wasn't enough to satisfy the needs of Lantian County!
"Yamachō, there should still be some time before the drought. You don't have to worry about it! During this period of time, as long as there is rain in the upper reaches of the river, the water level of the Ba River dam will easily break through to more than twenty-five zhang. When that time comes, it should be enough for the people of Lantian County! "
Mo Huai saw Li Zexuan frowning and could not help but comfort him.
Li Zexuan nodded and said, "We can only wait now! Mr. Mo, you go ahead with your work. I will go back and think of other ways! "
.....
The next day.
The Tang Dynasty Daily published another article on the theory of the solar system. What was different was that this article was signed by all the important officials of the Imperial Bureau of History. The article introduced in detail the results that Li Chunfeng, the Imperial Bureau of History's official official, had observed with a telescope for the past six months. The conclusion was exactly the same as Li Zexuan's article yesterday.
When this article came out, the public was in an uproar again. This was basically equivalent to the imperial court supporting Li Zexuan's Solar System Theory!
Since then, the Solar System Theory had gained a firm foothold. The explanation of the cause of the solar eclipse could be considered as an early precaution for the solar eclipse in a day's time!
.....
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