Sky Curtain: With a vermilion mirror, Jing travels through the modern world, shaking all dynasties.

Modern times, at Jiangchuan's home.

"Brother, Uncle Li is the first of the six founding dukes, and Father Emperor even granted him an iron certificate of immunity from death. Would he really execute his entire family?" Zhu Jingjing remained skeptical.

Jiang Chuan nodded and sighed, "Although he was not immediately implicated in the Hu Weiyong case, he was later convicted of knowing about the treason but failing to report it, being suspicious and hesitant, and having two minds, which was extremely rebellious, because of his brother Li Cunyi's confession. At that time, there was a saying about a change in the stars, and the divination said that disaster would befall the ministers, which is why Old Zhu decided to execute his entire family."

Zhu Jing remained silent for a long while before asking, "Then do you think Uncle Li deserved to die?"

Jiang Chuan was taken aback, not expecting the little princess to ask such a question; he hadn't really thought about it carefully.

"Perhaps he shouldn't have died." After a moment of contemplation, Jiang Chuan replied, "According to Li Cunyi's confession, Hu Weiyong sent him to persuade Li Shanchang twice, but in the end he did not participate in the rebellion. He only sighed and said, 'I am old. You all do what you want.'"

Zhu Jingjing frowned slightly and said, "Brother, treason is a top crime. If Uncle Li really knew about it but didn't report it, then..."

"Jingjing, then who do you think is more guilty, Li Shanchang or his brother?" Jiang Chuan countered.

"Of course it's Li Cunyi!" Zhu Jingjing replied without hesitation. "Uncle Li knew about it but didn't report it. He didn't actually participate in the rebellion, but Li Cunyi only helped persuade them, so his crime is already greater than Li Cunyi's."

"In the eighteenth year of Hongwu, someone accused Li Cunyi and his son of being part of Hu's faction. Your father issued an edict to spare their lives, only exiling them to Chongming. In the twenty-third year of Hongwu, Li Shanchang borrowed three hundred guards from Tang He, the Duke of Xin, to repair his residence, which aroused your father's suspicion. He also repeatedly pleaded for the pardon of Ding Bin, a commoner who was implicated and exiled, which finally enraged your father. Based on Ding Bin's confession, this was the final result."

After finishing his story, Jiang Chuan took a sip of water and said, "Li Shanchang's incriminating evidence is all based on other people's confessions, without any substantial evidence. To execute his entire family under such circumstances is too harsh, both morally and logically."

The Great Ming Dynasty, Fengtian Hall.

Zhu Yuanzhang sat upright on the dragon throne, stroking his beard, looking down at Li Shanchang kneeling on the ground. "Minister Li, what else do you have to say?"

Li Shanchang kowtowed and replied, "Your Majesty is wise. I have never harbored any disloyal intentions. How can Your Majesty accuse me of such a fabricated crime?"

Empress Ma also advised from the side, "Chongba, what Jiang Chuan said is not without reason. Besides, the rebellion has not yet occurred. If we punish him for this, I'm afraid the court and the country will be in turmoil."

Zhu Yuanzhang nodded. "In that case, I will not pursue the matter further. You should take care of yourself!"

The Qin Dynasty, Xianyang Palace.

Ying Zheng had little interest in the Hu Weiyong case of the Ming Dynasty, but he was quite interested in Jiang Chuan's words.

"Li Si, if this were in our Qin Dynasty, how would the law determine the crime?" Ying Zheng asked.

"Your Majesty, according to the laws of our Great Qin, Li Shanchang should be executed, and his relatives should not be spared either!" Li Si said.

Ying Zheng nodded. The laws of Qin have always been strict and severe. Although they can deter lawbreakers, they can also affect the innocent. Perhaps he should really consider it.

Jiang Chuan's history class came to an end. He took a shower, but when he came out of the bathroom, he found that Zhu Jingjing was not in the living room.

"Quiet, quiet!" Jiang Chuan frowned slightly and quickly called out.

"Brother, I'm on the balcony!" Zhu Jingjing said.

Jiang Chuan breathed a sigh of relief. For a moment, he thought Zhu Jingjing had traveled back to the Ming Dynasty, but fortunately, that was not the case.

Jiang Chuan asked, "Jingjing, what are you doing on the balcony?"

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Zhu Jingjing rested her chin on her hands, looked up at the sky, and said, "It's nothing. I just mentioned Father Emperor too much, and I'm a little..."

Jiang Chuan gently rubbed her head and said, "Are you homesick? That's understandable, the Mid-Autumn Festival is just a few days away."

"Brother, why does the moon sometimes appear full and sometimes wane?" Zhu Jingjing suddenly asked.

Jiang Chuan was taken aback. This question involved astronomical knowledge and wasn't so easy to explain.

"I told you before that the world is actually a sphere, and we all live on Earth, right?"

Zhu Jingjing nodded. Jiang Chuan had indeed mentioned it, but she was still skeptical.

"Actually, the moon, like the earth, is a sphere." As he spoke, Jiang Chuan pulled Zhu Jingjing back to the living room and casually pulled out two billiard balls from a drawer. "Just like these balls, the moon actually revolves around the earth."

Zhu Jingjing looked completely bewildered. She knew nothing about astronomy and naturally found it difficult to understand. "Since the moon is a sphere, shouldn't it always be round? How can it wax and wane?"

"Actually, the moon itself does not emit light. The reason we can see it is because it reflects the sunlight." Jiang Chuan then brought out a small light bulb and used these props to demonstrate the relationship between the earth, the moon, and the sun.

Zhu Jingjing suddenly realized and said, "So that's how it is! The reason we see a partial moon is because the Earth blocks the sunlight from reaching the moon, which is why we can't see it!"

"That's right!" Jiang Chuan clapped his hands in surprise, not expecting the little princess to be so clever.

Three Kingdoms, new fields.

"The world is a sphere, and the moon is a sphere too, so where do all these spheres come from?!" Zhang Fei scratched his head, completely bewildered. "If the moon really is a sphere, why doesn't it fall down and crush all of Cao Cao's soldiers to death?!"

"Third Brother!" Liu Bei interrupted his rambling, turning to look at Kongming: "Strategist, you are skilled in stargazing. Since the moon is a sphere, could the stars also be spheres?"

Zhuge Liang was inwardly distressed, but how did he know this?

He observed the stars to determine the seasons and agricultural times, using the Big Dipper, the Azure Dragon constellation, and other celestial bodies to predict the weather and thus gain an advantage in war.

The astronomical knowledge Jiang Chuan spoke of was like a fairy tale to him, completely beyond his comprehension.

"Perhaps it is true, as you say, that the moon is close to us, so we can see that it is round." After pondering for a long time, Zhuge Liang speculated, "While the stars are far away, they just appear as points of light."

The Great Tang Dynasty, Taiji Hall.

"Oh, if the moon is a sphere like the earth, then wouldn't the moon palace really exist?" Li Shimin said with great interest, "If I have the chance, I really would like to go up to the moon and take a look."

Yuchi Gong bowed and stepped forward, saying, "If Your Majesty is willing, I am willing to be the vanguard and bring that moon into the territory of our Great Tang!"

Upon hearing this, Qin Qiong stepped forward and said, "Your Majesty, although General Yuchi is brave, he lacks strategic acumen. Let me be the vanguard!"

"Shubao, what do you mean by that? Are you trying to steal my thunder?" Yuchi Gong questioned.

Qin Qiong refused to back down, saying, "Jingde, you excel at fierce attacks, but the situation on the moon is unclear. It's only right that I lead the charge!"

Li Shimin smiled wryly. He had just casually mentioned it, and two of his fierce generals had volunteered to fight one after another, which made him both amused and exasperated.

"My two beloved ministers, do not be impatient. If we can truly find the path to the moon, you will both be the vanguard, and we'll see who achieves the greatest merit!"