As for the Nine Causes of the Great Dao, Cui Qiu, the head of the Cui family and the current director of the Imperial Observatory, already knows it.
The Nine Causes of the Great Way is extremely important for calculating astronomy and the calendar. If Song Jinxiu hadn't written the multiplication table without reservation in the first lesson, he would have been unable to sit still.
Cui Zixuan's brother, Cui Yougui, was a student at the Imperial College. He would tell Cui Qiu every word of Song Jinxiu's class.
Cui Qiu also heard about Cui Zixuan being beaten in mathematics, but he didn't take it seriously.
The current emperor is not a mediocre person, and anyone who can be specially appointed as the chief doctor of mathematics by the emperor is naturally no pushover.
But she, a doctor of mathematics, actually dared to challenge Kan Tianshi Yinyu, which made him have to take her seriously.
You have to know that the art of Kantian is inherited from family, and not everyone can learn it.
Yin Yang Household, there is no branch of the Song family?
It is said that the Song family is a farmer from a poor and remote area. This is very strange, because since the previous emperor, there has been a regulation that ordinary people are not allowed to learn Yin-Yang magic.
"Someone, go check this girl's background. Is there anything we don't know?"
"yes."
"To avoid suspicion, tell the young lady not to come to the observatory these two days. I will go to the observatory myself and record the data for her reference."
"yes"
Cui Zixuan was the best of this generation. He had carefully selected her and spent a huge price to get her into the Xuantian Sect.
He had always hoped that there would be another saint in the family to restore the glory of their Cui family of Qintianjian.
There are balloons in space, but unfortunately there is no hydrogen.
In order to make the balloon fly higher, it is necessary to fill it with hydrogen.
How is hydrogen separated? Can hydrogen be produced by electrolysis of water?
But even if she had the hydrogen balloon, she didn't have any weather monitoring equipment in her space, so she couldn't do anything.
What should I do?
Treasure-hunting mouse Junjun asked curiously, "What are you looking for?"
Song Jinxiu expressed her thoughts in a disjointed manner.
"Tsk! You are so stupid. Why use a balloon? Your spiritual sense is so powerful, can't you just project it outward?"
Song Jinxiu was stunned. "Can the spiritual consciousness be projected outwardly? How?"
Treasure-hunting rat Junjun suddenly fell silent. It forgot that this master was at the second level of Qi chain.
"After reaching the third level of chain energy, you can release it."
"It's the same as if I didn't say it."
However, Junjun's words reminded her that if she used her spiritual sense on the golden pupil, she should be able to see farther, but what if she added an astronomical telescope?
Song Jinxiu spent some time making an astronomical telescope in space.
The lenses are processed using several magnifying glasses. I tried it on the roof at night and was very satisfied.
Just after a few scattered drops of rain, the sky cleared up and the starry sky was beautiful, with twinkling stars and rolling white clouds.
As she watched, Song Jinxiu frowned and became serious.
Through the glow of the stars, she saw Feng Xuan.
Song Jinxiu opened her golden pupils and observed carefully. The vortex was not strong and seemed to be gathering.
But the problem is that the temperature has dropped a lot in the past few days. If the cyclone encounters the "accomplice" of cold air, it will trigger more precipitation and the cyclone will be more powerful.
The final result is strong winds...
And three days later it will be the beginning of winter, with rain and northerly winds causing a greater drop in temperature. The weather is getting colder.
The interaction between strong winds and cold air causes strong winds to transform into temperate cyclones. In this process, greater energy is generated and a typhoon is formed.
Song Jinxiu observed for a night and determined that the whirlwind was still getting stronger and that strong winds would occur within three days.
It's still windy and rainy.
The next day, there was a competition with Cui Zixuan.
"Brother, our mother and the others may already be on their way. There may be a strong wind hitting the capital in three days, and the focus should be on the northwest of the capital.
You send someone to pick them up. If they can arrive within two days, they should leave faster. If not, they can stay in Wuyi West for two days and come back slowly after the storm. ”
"Okay, I'll take Jinyou and the others there in person."
Song Jinxiu also ordered people to store charcoal, food, cotton clothes and quilts.
After the wind and rain, the cold period of early winter will come.
After making the arrangements, she ate breakfast slowly. Took Su 꼇 and Yingchun to the observatory.
At this time, there were already crowds of people in front of the observatory.
Cui Zixuan was wearing a white cloak and standing in front of a large round plate.
She glanced at Song Jinxiu who had arrived late, and said softly, "I thought you didn't dare to come?"
Song Jinxiu walked up the stairs step by step and said with a smile: "It's not 4 o'clock now, why are you here so early?"
"Hahaha"
Cui Zixuan laughed sweetly, "Dr. Song is really an amateur. The best time to observe the sky and know the weather is during the winter. You are looking at the sky now. Do you not want your eyes anymore?"
"Humph, pretending to know when she doesn't. Why is Sister Cui kindly reminding her? It's no good being blind!" Li Wan screamed while standing on the stage.
Cui Zixuan smiled generously, "Miss Song doesn't understand, I have to remind you."
"That's right, Dr. Song, you don't know anything and yet you dare to compete with Miss Cui. Are you kidding me? You made me come here so early in the morning."
"That's right, Dr. Song. You are good at math, but not everyone can master this art. I think you should just admit defeat and don't hurt your eyes."
Cui Zixuan narrowed her eyes and said, "If you admit defeat now, in addition to fulfilling the bet, do you have to apologize to everyone who came here so early?"
Li Wan shouted, "How can you just apologize? You have to bow and kowtow. I came here without even having breakfast."
Song Jinxiu glanced at Li Wan and asked, "Why are you everywhere?"
She was too lazy to pay attention to her, and looked at Cui Zixuan and asked, "So you have observed the clouds? And you know the weather in the next three days?"
"Of course, Miss Song, you are late. Stargazing and cloud-watching at night are the most basic common sense in Kantian. Don't you know it?"
Cui Zixuan smiled confidently and looked at Song Jinxiu as if she was looking at a clown.
"Hey, little girl, just admit defeat and stop embarrassing yourself and wasting your time."
"That's right. We are still waiting to have dinner with Junior Sister. I have never seen anyone compete with others in such a way. Are you deliberately making us starve while waiting for you?"
Junior sister? Could it be that these are the disciples from Xuantian Sect?
Song Jinxiu looked over and found her senior brother Xuan Zhenzi hiding behind the crowd with his face covered.
She couldn't help but feel upset: What does senior brother mean? Did you embarrass him?
She let out a breath and said, "Who said I'm going to give up?"
"If you don't want to admit defeat, then go ahead and kill the sky." Cui Zixuan sneered in her heart and pointed at the round plate.
At this time, the sun was hanging low in the sky. If she went to Kantian now, her eyes would hurt for a few days even if she didn't go blind.
Song Jinxiu looked at the round plate and asked, "How do I use this?"
"Puff,"
"Ha ha ha ha"
"Oh, oh, I'm dying of laughter, Dr. Song, you really don't know anything?"
"It turned out to be a joke. Ouch, I have to go back and eat."
Song Jinxiu frowned and said coldly: "I understand, this is a sundial. What can you see with this sundial? There should be an altar or armillary sphere on it, right?"
Everyone was stunned and looked at Cui Zixuan.
Cui Zixuan's face darkened.
There was indeed an armillary sphere on it, and after she looked at it, she ordered someone to put it away.
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