"Gentlemen, through the circular motion, centrifugal motion and centripetal force I talked about, we have now initially acquired some basic concepts of understanding the heliocentric theory."
"As my emperor said, every drop of water in the ocean of knowledge gained by mankind is the blood and sweat of our predecessors; and the reason why we can see further than our predecessors is because we stand on their shoulders."
"Therefore, before starting my proof, I would first like to thank the great Mr. Vasco da Gama, Mr. Fernando de Magellan, etc., who opened up a new route with extraordinary courage and proved that the earth is a sphere. And it gives the two major civilizations of Central Continent and the West an opportunity to communicate.”
"I would like to thank Bishop Luo Mingjian and Father Matteo Ricci for bringing Aristotle and Euclid, including Ptolemy, Copernicus and other sages' documents, so that we can live thousands of miles away. As a foreigner, I, a Serisian, am able to be here today to have a candid exchange with you on the mystery of God’s creation.”
Appreciating the flushed cheeks, tearful eyes, and applause mixed with cheers of the Westerners below the podium, Xu Guangqi said to himself: "Being humble has benefited from the honesty of the ancients."
Anna Fleca was so excited that she turned to the Marquise Isabel Marquez beside her and said, "God, I like this Earl of the East so much! His humble demeanor is so charming, and what a lovely young man he is!"
Isabel covered her mouth with a folding fan, smiled and whispered: "Maybe you shouldn't say this in front of Mr. Brahe. You know, he loves you passionately and also likes duels."
Anna Fleka calmed down after hearing this, and replied with a smile on her face: The wife of this Eastern Earl is a princess, maybe he can also cast magic on the bed. "As she whispered and chuckled, the face of Tycho Brahe, who was sitting on her right hand, was as black as coal.
After the applause stopped, the assistant put on a new glass slide, and Xu Guangqi said loudly: "Next, I will prove from eight aspects that the earth is rotating and revolving around the sun."
...
"The above is all my proof of heliocentric theory. At least, according to our current understanding, it is impeccable in terms of 'logic', which is called inference in Chinese. As a person who is learning more about Christianity and is ready to believe in God Sires, I think that if God made the stars in the sky move in circles around the earth when he created the world, it would be completely different from the difficulty of making the small earth we live in rotate."
"Of course, God is omnipotent, and we cannot speculate on His wisdom; but even with the current shallow thinking of mankind, we can judge what choices God will make when creating the world."
The cheers in the King's Hall erupted again. After two hours of thought storm, the applause and cheers almost lifted the roof! Xu Guangqi also blushed with excitement. He did not tell these Westerners that the new cosmology of the Ming Dynasty's ideological circles was only circulated on a small scale within the coverage of the Gewuyuan and newspapers. It may take decades for this theory to become common sense among Chinese people - it depends. on the popularity of education.
When the curtains were opened and the sunlight shone into the hall again, looking at the admiring eyes of the Westerners in the King's Hall, Xu Guangqi also understood an important reason why the emperor sent him as an envoy: despite his achievements in the study of objects, he finally The success is to use non-Gewu language to explain Gewu - he can become the Prince Consort, this ability is decisive and has nothing to do with "magic".
...
After everyone calmed down, the Marquis of Denia stood up and said: "Thank you very much, Your Excellency, for giving us a unique speech. As a devout Christian, what I especially appreciate is that he did not use "Celestial Bodies" "The Theory of Operation" to promote the heresy of atheism, gentlemen, I especially want to remind you of this."
After saying this, Marquis Denia paused, waiting for everyone here to digest his implication. After everyone nodded, he relaxed and said to Luo Mingjian: "Your Excellency Cardinal, you can't let a lamb wait for baptism. If you and Mr. Count agree, I think he can be baptized in Jeronimos Church." It will be an honor for Lisbon and will leave a wonderful story for this city.”
Luo Mingjian quickly stood up and said: "Thank you, Your Excellency the Marquis. I think myself and Your Excellency the Earl are very honored to receive this honor, but it is a pity that Cardinal Giovanni Battista Castana will be there. The count will be baptized at St. Peter's Basilica, and His Majesty the Pope will also participate in this ceremony."
When the Marquis of Denia heard that the Holy See had made arrangements for Xu Guangqi's baptism, he took advantage of the opportunity to express his congratulations to Xu Guangqi. Congratulations on Xu Guangqi's conversion to Christianity also sounded in the hall. Xu Guangqi thought to himself: "It's not that I want to believe it, it's the emperor who asked me to believe it - but that's okay."
Xu Guangqi glanced at the grandfather clock in the King's Hall and said loudly: "Gentlemen, if you have any questions about the content of my speech just now, you can ask questions now."
The Marquis of Denia interjected: "Please think carefully about your questions before asking, so as not to offend the Earl." Xu Guangqi nodded and expressed his gratitude to the Marquis of Denia.
The Marquis of Denia's voice just fell. Tycho Brahe was the first to stand up and said: "Your Excellency, the synodic motion of the planets you mentioned today, that is, direct motion - stay - retrograde - stay - direct motion appears in sequence. and appeared repeatedly, and showed different lengths of time. This proof left a deep impression on me, and it was completely consistent with my own observations on Wen Island. At this point, I can be very proud to say that there is no more than The data I recorded.”
"However, I cannot agree with the heliocentric theory because it puts the earth on the same level as Mars - since God created the earth, why did he create Mars?"
"If you have time, I would like to explain to you my theory, which can explain all the stars and can be consistent with my observational data."
Xu Guangqi said happily: "I would like to hear the details." and motioned Tycho to step onto the podium. When everyone present saw Tycho, who was wearing exaggerated aristocratic costumes, standing up to challenge Xu Guangqi, they all became a crowd. After all, in Europe now, Tycho Brahe is the well-deserved number one in terms of astronomical observation.
Tycho Brahe stepped forward to explain his "Tycho theory", that is, the planets move around the sun, and the sun moves the planets around the earth - a "geocentric theory" forced by observational data.
Tycho spent ten minutes giving a high-level summary of his views and presented several empirical data as arguments. Although the speech was short, his proud expression remained throughout. Finally, he said loudly: "Mr. Earl, according to my theory, His Majesty the Pope promulgated the new Julian Calendar the year before last - I think it should be It’s called the Gregorian calendar, and every year is measured in seconds.”
When Xu Guangqi heard this, he blinked, feeling that this scholar with an awkward nose had some inexplicable sense of superiority.
As an envoy, he must safeguard the dignity of the Chinese nation, so he took this sentence and said: "China's ancestor Chongzhi during the Southern Dynasties, well, let me do the math - in the year 462 of the Gregorian calendar you mentioned, calculated every year It is 365.2428141 days; in the fifth year of Qingyuan in the Southern Song Dynasty, in the 1200th year of the Gregorian calendar, Yang Zhongfu compiled the "Tongtian Calendar" and calculated the length of each year to be 365.2425 days; eighty years later, Guo Shoujing, the Taishi of the Yuan Dynasty of China, recalculated this result. And used it to formulate the "Time Calendar", which we still use now - it is not very accurate in predicting solar eclipses."
"In recent years, the new Grand Unified Calendar has been revised using the heliocentric theory, and the calculation of solar eclipses has been completely correct - the error is also in the unit of seconds."
If Tycho's proudest achievement is to accurately calculate the Gregorian calendar every year to the second, and he is famous in Europe for this, the three examples cited by Xu Guangqi are simply a dimensionality-reducing blow to him - a bit bullying. kind.
As everyone in the hall exclaimed, Tycho Brahe blushed and clenched his fists, wishing to punch Xu Guangqi in the face. Xu Guangqi said as if he didn't realize it: "By the way, the Zu Chongzhi I mentioned also calculated that the pi is between 3.1415926 and 3.1415927. Last year, Cheng Dawei, the Academician of Gewu in our court, had already accurate this value to thirty decimal places, which is 3. 14159 26535 89793 23846 26433 83279. Well, I can remember it because last year this number became an interview question for freshmen at Capital University to test their memory."
The nobles and scholars present clearly saw that Xu Guangqi was somewhat dissatisfied with Tycho's arrogance, otherwise he would not have added such a "by the way". But to be honest, Tycho Brahe's bad temper is as popular as his reputation throughout Europe, and most people who eat melons like to see him lose his temper.
Thirty-eight-year-old Tycho Brahe, a child prodigy who entered the University of Copenhagen at the age of thirteen, was hit a bit hard by Xu Guangqi. His head was buzzing and he was a little at a loss.
If Xu Guangqi was not the Count of the Ming Dynasty, Tycho Brahe might have challenged him and used a sharp sword to save his face.
But on today's occasion, he insulted Xu Guangqi's words that the Holy See could organize a "new crusade" to destroy Oldenburg. ——At the moment of embarrassment, someone suddenly stood up in the crowd and said: "Your Excellency, I calculated the circumference of pi to the thirty-fifth decimal place using the circle cutting method. The next five numbers are 50288!"
Xu Guangqi breathed a sigh of relief and quickly looked up at the podium. He saw a middle-aged man standing up and signaling to him. Seeing Xu Guangqi looking over, he blushed and introduced himself: "My name is Rudolf Van Coylen. I am a mathematics teacher at Leiden University. Thanks to the kindness of Count Fleck, I am able to come here to listen. A wonderful speech, salute to you, Your Excellency!"
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