The establishment of the imperial court of the Song Dynasty began with the rebellion of the generals. The Emperor Taizu of the Song Dynasty was originally just a general. Because he had military power in his hands, he usurped the throne after the death of the Emperor. Because of the long period before the Song Dynasty, there were many examples of generals usurping the throne after taking control of the army. Even the Zhao Family was like this. It could be said that in the hundreds of years before the Song Dynasty, it was an era where generals frequently usurped the throne.
After the establishment of the Song Dynasty, in order to prevent the country that he usurped from being usurped by his subordinates, the Emperor Taizu Zhao Kuangyin first set up a drinking ceremony to release the military power. He let the generals who had many mercenaries take the initiative to give up the military power in their hands. After that, he raised the status of the civil officials and let the civil officials suppress the generals to prevent the generals from becoming too powerful.
In terms of details, the generals had to be monitored by the civil officials and the imperial court envoys at all times. The provisions in the army were also limited and could not exceed a certain amount. Otherwise, it would be violating the laws of the Song Dynasty and would be suspected of rebellion.
Through so many methods, it could indeed play the role of suppressing the generals and greatly prevent the generals from usurping the throne. However, everything had its pros and cons. While restricting the generals from usurping the throne, it also restricted the generals' hands and feet. It made the generals unable to fight as they pleased. When they could not attack, they had to fight because of the imperial court's order and the civil officials' supervision, which led to their defeat. When they needed to attack, because the imperial court did not allow it, they would miss the opportunity. This naturally greatly limited the military power of the Song Dynasty, but only prevented a rebellion.
In other words, the Song Dynasty's imperial court was the world. The Emperor cared more about whether his throne was stable or not. As long as the throne was stable, they were very satisfied. As for the humiliation of giving the Liao Kingdom and West Xia annual coins, they did not care. Anyway, the Song Dynasty could still afford it. As long as the Liao Kingdom and West Xia were appeased, they would not send troops. And if they did not send troops, the Song Dynasty's army would not have to fight. The generals would not have the opportunity to display their abilities and expand their influence. The possibility of usurping the throne was almost impossible.
But the majority of patriotic literati did not think so. There were many people with integrity among them. These literati were very dissatisfied with the weak practices of the imperial court, but they could not resist the imperial court's decision. Therefore, they used the opportunity of writing poems to express their dissatisfaction.
Moreover, in Su Shi's poem, there was no direct rebellion against the imperial court. He only mentioned the astronomical phenomenon of shooting the Sirius............................. Su's poem........ Su's Su's Su's poem....................
Since ancient times, people thought that the Sirius Star was a star. In fact, after later astronomical observations, it was discovered that the Sirius Star was a double star. It was composed of two stars. One of them was a very bright star. It was a blue dwarf star in the main sequence, and the other star was a white dwarf star. The brighter one was actually twenty-four times brighter than the sun. It could be seen that its brightness was very high.
Because the Sirius Star was in the southern hemisphere, when observed from the northern hemisphere, the Sirius Star was always hanging on the horizon. That is, the position was relatively low. But in the summer, the situation may be better. In the northernmost area of the northern hemisphere, the Sirius Star could not be seen.
There were still many legends about the Sirius Star. In the Hua Xia Empire, the Sirius Star had been synonymous with the star of calamity since ancient times. No one liked the Sirius Star.
In ancient Egypt, whenever the Sirius Star rose from the eastern horizon at dawn, it was the time of the annual flood of the Nile River. The flood of the Nile River irrigated large areas of fertile land on both sides of the river, so the Egyptians began their cultivation again.
When the ancient Egyptians realized that the Sirius Star rose with the sun, the Nile River delta began to flood every year. In addition, they also discovered that the interval between the Sirius Star rising with the sun twice was not the 365 days of the Egyptian calendar, but slightly longer. The ancient Egyptians determined that the day before dawn, when the Sirius Star rose in the east, was the first day of the year, which was the predecessor of the Gregorian calendar used in later generations. It was first born in ancient Egypt.
In addition, the construction of the pyramids, in many ways, was also related to astronomy. For example, the Sirius Star and the pyramids had a lot to do with each other. The pyramids were facing the Sirius Star. Moreover, in addition to the pyramids, many buildings in ancient Egypt were facing the Sirius Star. It was very difficult to understand.
Perhaps this was the worship of the Sirius Star! After all, whenever the Sirius Star and the sun rose at the same time, the lower reaches of the Nile River would flood and nourish the surrounding land, making the land more fertile. All the agricultural production in Egypt was closely related to the ebb and flow of the Nile River. Therefore, the Egyptians worshipped the Sirius Star as a god. Even the direction of the temples they built had to be in the same direction as the Sirius Star.
The most amazing thing was that the ancient Egyptians actually knew that the Sirius Star was a binary star system. In later generations, it took a lot of effort to discover this. But in ancient Egypt, how did the ancient Egyptians know that the Sirius Star was a binary star system? This was very puzzling.
Whether it was the ancient Egyptians or the gods, they must have spent a lot of time observing the astronomical phenomena, especially the Sirius Star. The ancient Egyptians had a very specific concept of the Sirius Star cycle, which they believed was given by the gods.
The so-called Sirius Star cycle referred to the cycle of the Sirius Star rising at the same place as the sun, and this cycle was very close to the year in later generations.
Of course, in addition to the ancient Egyptians, there was also an indigenous people in Africa who knew that the Sirius Star was a binary star system. This people had always maintained a primitive jungle life and had almost no contact with the outside world.
And this indigenous people in Africa actually knew the mystery of the Sirius Star's color change.
The Sirius Star was one of the brightest stars in the night sky that could be seen with the naked eye. Many ancient astronomical works recorded that the Sirius Star was dark red, but in the eyes of modern people, the Sirius Star was white. Why was the color of the Sirius Star that people saw now different from the ancient records? This puzzled many scientists.
The people of this primitive tribe in Africa told scientists that the Sirius Star was made up of a large star and a small star. The small star was a black, extremely dense, and invisible companion star. It moved in an elliptical orbit around the large star. They also knew that the small star's orbit was 50 years.
They passed it down from generation to generation. The Sirius Star was the smallest and heaviest star in the sky. It had a luminous metal substance that did not exist on earth. In an accident, the Sirius companion star suddenly exploded and produced a strong light, and then gradually dimmed. Although the indigenous people could not see the dim companion star with the naked eye, the old people could draw the path and various patterns of the two stars on the ground with their walking sticks. When the Sirius Star appeared between the two peaks, a sacrificial ceremony called Xigui was held. It was held about once every sixty years, and it was the most solemn religious ceremony.
Later generations of scientists believed that the African indigenous people's knowledge of the Sirius Star was both detailed and accurate. Just as we saw, they were like us, associating the Fierce Star with an unseen companion star. The indigenous people called this companion star Ceres. The reason why it was called Ceres was probably because it was so small that it was almost invisible. According to these indigenous people, Ceres was made of the heaviest metal known to people today, which was even heavier than iron. That is to say, these African indigenous people knew that the Fierce Star's companion star had a great density.
The African indigenous people also drew many sacrificial pictures about the Sirius system. These pictures showed that they knew that the Sirius companion star's orbit around the Sirius primary star was elliptical, and the Sirius primary star was in the center. According to the indigenous people's legend, later generations of scientists even drew a picture of the oscillating orbit of the Sirius and Ceres. As a result, it was found that it was surprisingly similar to the same kind of picture drawn by modern astronomers of the Sirius primary star and the companion star.
According to the African indigenous people, their ancestral knowledge of the Sirius companion star was taught by a god from heaven. The indigenous people still kept a picture, which clearly showed the god they believed in coming down from the sky in a big ship with flames trailing behind it and landing in their clan.
The African indigenous people's astronomical tradition was not limited to the Sirius star. They said that Jupiter had four moons and Saturn had rings. They showed these two planets in their pictures.
These magical places have become the unsolved mysteries of the world.
Ang Lee believed that since the ancient books recorded that the Sirius star was dark red, then, in ancient times, the Sirius star was probably dark red, but because of the changes of time, this star changed color. Otherwise, could it be that the ancient people were lying, and what was the advantage of lying? It's unlikely that they deliberately recorded the white as dark red! This is too unreasonable.
"What? The brightest star, Sirius, used to be dark red? Is that true? I haven't seen any other stars of other colors. All I see are small white stars. "
Li Xiaolu said.
Obviously, she was telling the truth. Not only had she never seen it, but Ang Lee had also never seen it, and no one in later generations had ever seen it. Many people didn't even believe in the existence of the red Sirius star, thinking that the ancient people wrote it wrong when they recorded it, or that they had a red-eye disease, and everything they saw was red.
But Ang Lee was more willing to believe that this was true, because the ancient people were very strict when they recorded historical events, and they would never falsify. Since many ancient books recorded the Sirius star as dark red, it was enough to show that the Sirius star was really red at some point.
"Actually, I have never seen a red star, but in many ancient books of the Tang dynasty, there were records of the red Sirius star. Maybe, under certain conditions, the Sirius star will turn red! However, this is not important, it's just a star hanging in the sky, and it has little to do with us. "
Ang Lee said.
After all, the changes of these stars often took hundreds of millions of years, and the lifespan of these stars was also very long, and it would not have any impact on the earth in a short period of time. At least, in the short lifespan of human beings, these stars would not change too much. In the face of the lifespan of human beings, these stars were eternal.
"Ouch, my head is a little dizzy. I don't want to look anymore, I can't look anymore today."
Li Xiaolu had been looking at the stars outside the window with her head tilted. After a long time, her neck naturally could not bear it, and it was very sore and uncomfortable. In short, it was very uncomfortable.
"Haha! Of course you feel uncomfortable with your head tilted. Come, don't look, lie in my arms and sleep! "
Ang Lee said very considerately, gently stroking Li Xiaolu's back and letting Li Xiaolu close her eyes to rest.
Astronomy was a very interesting subject, but at the same time, it was not so easy to learn. After all, there were so many stars in the sky, and the number was too many. It was enough to just remember the names of these stars, let alone new stars.
However, for ordinary people, they did not need to know too much. They only needed to know some of the most basic knowledge of astronomy, so it would not be very tiring.
There were so many stars in the sky, but the number of stars that Ang Lee knew was not many. He was afraid that it was less than one in ten thousand, but it was enough to know some of the more famous stars. As for those stars that were not so important, it was also tiring to know them, and there was not much meaning.
Ang Lee already had the knowledge of astronomy, which was enough to show off in front of the little girl, so naturally, there was no need to continue to understand it in depth, so as not to waste his precious brain cells.
Li Xiaolu was really tired. After lying in his arms, she fell asleep as soon as she closed her eyes. Obviously, she was not pretending to sleep. Ang Lee could feel it.
"Sleep! Sleep! When we get on the boat, let's slowly count the stars. "
Ang Lee smiled faintly and looked at the sky outside the window. There were too many stories about these stars hanging in the sky. Even if Ang Lee only knew some of them, it was enough to show off to others. As long as they were not scholars who specialized in astronomy, the average person really could not compare with Ang Lee. After all, the knowledge that Ang Lee had was more than a thousand years more than the people of this era. They were not at the same level at all. The strength of Ang Lee was beyond their reach. Therefore, if it was about astronomy, Ang Lee could beat almost everyone in the Tang dynasty.
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