Today happened to be the sixteenth, it was the time when the moon was the fullest, Zhao Yan did not return to the other courtyard after the lecture in the afternoon, and the people who listened to the lecture also did not leave, the dinner was directly provided by the Taoist priests in the microcosm, and even many people planned to live here tonight, and the vacant rooms in the Zhuang family on the side of Sheung Shui Zhuang were almost sold out.

After Zhao Yan had dinner in the microcosm, he immediately came to the front of the Ten Thousand Law Hall where he was lecturing, where a high platform had been erected, and the telescope that had just been made had also been erected on the platform.

In fact, this telescope has been manufactured yesterday, Zhao Yan faked Gongji and took it to the courtyard, last night and Cao Ying used this telescope to observe the entire night sky, the most important of which is the moon, speaking of which although there are still many shortcomings of this telescope, such as the color difference is relatively large, the structure is relatively simple, the multiple is also a little low, etc., but you can clearly see the crater on the moon, of course, some relatively large craters, small craters are still not visible.

Zhao Yan was fiddling with the telescope on the stage, and the people in the audience were anxiously waiting, now the sun had not completely set, and although the moon in the sky could be seen, it was not yet the best time to observe, so they could only wait patiently.

Seeing that the sky was slowly darkening, and the round moon in the sky was brighter, at this time, Zhao Yan could already see the crater on the moon from the telescope, which also made the corners of his mouth show a smile, and looked back at Cao Tong and others who were standing under the stage, and Ouyang Xiu and Han Qi and others who got the news also came here, and are now waiting below.

Just when Zhao Yan just wanted Cao Yan and them to come to the stage to watch one by one, he suddenly saw someone outside shouting loudly: "Your Majesty has arrived!" ”

As soon as I heard that Zhao Shu was here. Not only Zhao Yan was very surprised, but Cao Yan and the others also didn't expect that Zhao Yan came to the stage quickly, and then came to the door with Cao Yan and them to greet him, only to see Zhao Shu accompanied by Zhao Yan into the courtyard of the Ten Thousand Law Palace, and when he saw Zhao Yan, he immediately laughed and said, "Yan'er, you have done such a serious thing." Why didn't you inform your father earlier, if it weren't for your father who accidentally learned the news, I'm afraid I would have missed this event! ”

"Erchen didn't expect that his father was also interested in such a trivial matter, and his father was busy with government affairs, so Erchen didn't dare to tell his father." Zhao Yan also stepped forward with a smile and replied, he really didn't expect that observing the moonlight could alarm Zhao Shu.

"Haha, this is not a trivial matter, the things you talked about during this time have set off a storm in the entire Great Song Dynasty, and everyone is discussing whether the moon is a big stone or not? Do we live on a ball that will fall? In addition, there are the questions of why the earth under our feet revolves around the sun. Even I will hear some such discussions in the court, today Yan'er, you said that you can let people see the true face of the moon with their own eyes, and my father naturally can't miss this opportunity! Zhao Shu laughed again at this time.

With Zhao Yan's lectures in the microcosm, he became famous, of course, there are many controversies about the content of Zhao Yan's lectures, which is also the consensus of all Song Dynasty readers, but no matter how controversial it is, Zhao Yan's erudite and talented reputation has been spread. Everyone was very curious about Zhao Yan, the king of the county, and Zhao Shu saw that his son had made such a big name just by virtue of his talents. Naturally, I was very pleased.

Seeing that Zhao Shu was so happy, Han Qi and Ouyang Xiu, Cao Tong and others also stepped forward to salute, but Zhao Shu also excitedly flattened them, and then chatted with the other party for a few words, Zhao Yan took this opportunity to say hello to Zhao Xu, but at this time, I saw Zhao Ji pulling him and said, "Third brother." Can you really see the moon with this telescope, and is there really no fairy and jade rabbit on the moon? ”

Seeing Zhao Yan's anxious appearance, Zhao Yan couldn't help but feel funny, and immediately spoke: "The moon is extremely desolate, and we don't even have the air to breathe. How could there be any fairies and jade rabbits, unless fairies and jade rabbits don't have to breathe. ”

Zhao Yan heard Zhao Yan's answer, and his face couldn't help showing a look of disappointment, for the moon, he has too many beautiful ideas, in fact, not only him, most of the literati of all generations have unique feelings for the moon, otherwise there would not be so many poems related to the moon, but unfortunately now Zhao Yan told them the bloody truth, it turned out that the moon that looked incomparably beautiful turned out to be a desolate big stone, and there were no fairies and jade rabbits.

"Yan'er, can you see that telescope? I can't wait now! At this time, I only heard Zhao Shu speak again, he was not as sentimental as Zhao Shu, for people of his age, the achievements of his children and grandchildren were far more important than what moon.

"Father, what a coincidence that you came, the telescope was just debugged by Erchen, and now you can see the situation on the moon clearly!" Zhao Yan smiled again and said, originally he was still a little entangled in who would be the first to invite to the stage to watch, after all, the identities of Han Qi, Ouyang Xiu and Cao Tong were unusual, but now that Zhao Shu came, he solved this small problem.

"Haha, then I'm welcome!" Zhao Shu said and walked to the stage, surrounded by a few guards, Zhao Yan also stepped forward with him, and then instructed Zhao Shu to use the telescope to observe the bright moon in the sky, but when Zhao Shu just put his eyes on the telescope, he was also startled, but soon he was attracted by those strange craters on the moon.

The telescope designed by Zhao Yan has a simple structure, and the moon seen in the lens is not particularly clear, but even so, Zhao Shu still looked at it for a while before reluctantly leaving, and then it was Zhao Yan's turn to look, although Cao Yan and others in the back were anxious, no one dared to urge.

In contrast, Zhao Ji watched for a longer time, because he still had some immortality in his heart, and wanted to find a trace of the life of a fairy or a jade rabbit from the moon, but unfortunately in the end he found nothing. In the end, I finally waited until Zhao Ji finished reading it, Zhao Shu and Zhao Ji stepped down, Cao Yan and they immediately rushed to the stage to use the telescope, and Zhao Yan had to help them maintain order.

Finally waited until Cao Tong and several other important people finished using the telescope, and then walked off the stage one by one, although they saw it with their own eyes, they still couldn't believe that the moon in the sky that was round and bright like a white jade disk looked so ugly in the telescope, and there were all scars on the surface, Zhao Yan explained to them that it was a kind of ring-shaped mountain range, and as for the moon palace and fairies, they couldn't see it at all.

After Cao Tong and Han Qi finished reading, it was the turn of the ordinary people who came to listen to the class, these people had already drawn numbers before in order to be able to use the telescope tonight, and everyone had to take the stage with the number, and because there were too many people, there was a limit to the time for everyone to use the telescope.

Zhao Yan, Cao Tong and others accompanied Zhao Shu to a meeting hall in the microscopic microcosm to rest, and it was only at this time that Zhao Shu suddenly spoke: "Yan'er, I heard that those circle-like things on the moon are actually mountains, why are these mountains so strange?" ”

"What His Majesty said is very true, and the minister also thinks that those mountains are very peculiar, can the king of the county know how they were formed?" Han Qi also asked at this time, from seeing the true face of the moon just now to now, he and Ouyang Xiu and the others have been in a trance, although Zhao Yan had already told them some things about the moon before, but hearing was false, far from being able to compare with the shock they saw with their own eyes.

"There are two main reasons for the formation of craters on the moon, the first is similar to the volcanic eruptions on our earth, and the second is the impact of meteorites on the moon......" Zhao Yan simply introduced the formation of the crater, fortunately, all the people present are knowledgeable, and they can understand Zhao Yan's explanation.

"I see, I didn't expect that most of those craters were smashed out by meteorites, so if it weren't for its block, I'm afraid it would have fallen on the earth we live in." After Zhao Shu heard Zhao Yan's explanation, he couldn't help but speak at the moment.

"Father is wise, the moon does surround the earth like a guardian, so for such a planet is also called a satellite, the earth we live in has satellites, and some other planets in the solar system also have moons, and there is more than one, so if someone can reach those planets, they may see multiple moons in the sky." Zhao Yan heard Zhao Shu's words and said with a smile again.

After chatting a few words about the moon, Zhao Shu should also go back at this time, after all, as an emperor, it is not easy to come out at night, and even if he doesn't leave, I'm afraid that Han Qi and Ouyang Xiu will have to stand up and advise, Zhao Shu knows this very well, rather than letting others catch up, it is better to take the initiative to leave.

At the moment, Zhao Yan and Cao Tong and others sent Zhao Shu away together, Han Qi and Ouyang Xiu will also go to the court tomorrow, so they also returned to the city with Zhao Shu, as for the moon-watching activities in front of the Ten Thousand Law Palace, it seems that as long as the moon does not fall, the enthusiasm of those people will definitely not fade.

After sending Zhao Shu away, Zhao Yan also wanted to go back to rest, the telescope had been adjusted, and he only needed to fine-tune it with the movement of the moon, and he didn't need to do it anymore, plus he was a little tired after a day's lesson, so he yawned and said goodbye to Cao Yan and left, and everyone was so familiar with it, Zhao Yan didn't let them send it, and he left with his guards.

However, just when Zhao Yan just walked to the microscopic front yard, he suddenly heard a familiar voice from the corner of the front yard saying, "The king of the county stays!" (To be continued!)

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