Chapter 23: Cosmic Dust



Zhao Jun's passionate speech was met with silence from the audience.

Are you kidding? This is the Song Dynasty.

How should they respond to being insulted in front of the Song Dynasty's emperor and his ministers?

Even Zhao Zhen, who lived in Bengbu, blushed deeply and finally couldn't help saying, "Teacher, this is not right. I...it is precisely because the land area is less than one-third of ours that I think the Song Dynasty is so powerful."

He is no longer the speechless invisible man. He has his own personality and is the only young and strong man in Nini Village.

"Who are you?"

Zhao Jun was quite happy when he heard a younger voice. Could there be someone of the same age in the village?

Yan Shu quickly introduced it: "This is the Wazamu fruit, from our village."

"oh."

Zhao Jun said, "Well, we are teaching the children now. If you want to talk about history, we can talk about it later. Let's start the class first."

He didn't want to take up class time talking to others about strange issues.

"All right......"

Zhao Zhen had no choice but to shut up.

Zhao Jun continued, "Our country's area on Earth is very large. Many small and medium-sized countries are only as large as a province, a city, or even a county. So, compared to the Earth, how big is our country?"

"The Earth's area is 510 million square kilometers, equivalent to 53 Chinas. However, its land area is only 150 million square kilometers, about the size of 15 and a half Chinas."

"If you calculate it this way, our country doesn't seem too small compared to the rest of the world."

"So if the Earth were placed in the solar system..."

Before he finished speaking, a child asked, "Teacher, what is the solar system?"

"The solar system is the galaxy in which the Earth exists. Let's watch the video."

Zhao Jun fumbled and pressed the space bar.

The video quickly began to demonstrate animation, accompanied by explanations, briefly explaining some basic knowledge about the solar system.

Such as the movement of celestial bodies and the entire model trajectory of the solar system.

It’s just that the video is limited by its length and doesn’t go into such depth. It’s something that everyone in later generations knows, but everyone is still confused and doesn’t quite understand it.

"We live on Earth. Our specific location is in Muli Tibetan Autonomous County, Liangshan Yi Autonomous Prefecture, Sichuan Province, the People's Republic of China. We are just a tiny dot on the entire Earth. We have to magnify it many times to see it."

"Then all the people, animals, and plants in all the countries of the world live on Earth, which is a planet orbiting the solar system. The solar system has eight planets, and Earth is the third closest to the sun."

"The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Compared to the Earth, humans are very small, like countless dust particles. And compared to the Sun, the Earth is also very small."

"In terms of volume, Jupiter is the largest, and can fit 1,300 Earths. Earth ranks fifth, while the Sun is the largest in the solar system, requiring 1.3 million Earths to fill it. You can imagine how huge the Sun is."

"Many people look at the stars in the sky at night and think they are very small. In fact, any star in the sky may be larger than the Earth or even the Sun. It's just that they are too small in the universe. So the solar system is just a speck of dust in the Milky Way. The Milky Way is no different from dust in the entire universe."

"The speed of light is incredibly fast, traveling 300,000 kilometers per second. It can literally cross the entire Earth in a split second. It circles the Earth 7.5 times in one second. Yet, even at this speed, it takes eight minutes to reach the Sun."

"The sun is 150 million kilometers away from us. Even the fastest rocket today would need 82 days to reach it. And to leave the Milky Way, even light would take 100,000 years. Compared to the entire universe, we humans are truly tiny, not even a drop in the ocean, just a quark in the solar system."

"But even though we are just a bunch of dust in the universe, we have still established what may be the first civilization in the universe. This is inseparable from the prosperity of human civilization, its hard work, and its voracious pursuit of knowledge."

"Therefore, knowledge is the ladder for mankind to strive for progress. Only with knowledge can we see the world of the universe and understand what is outside the earth."

"I tell everyone about the vastness of the universe and the insignificance of human beings. I want to make everyone understand that life is very short compared to everything in the universe. But it is precisely because of its brevity that it appears great."

"The universe was created over 10 billion years ago, while human civilization has only been around for a few thousand years. Yet, in just a few thousand years, humans have observed everything in the universe and have given the universe their own voice."

"Science and technology are developing and innovating every day. In just a few decades, we humans have been able to land on the moon and are beginning to yearn for Mars. But who can guarantee that in a few hundred years, we will be able to explore the entire solar system?"

"If we want to get out of the Earth and see the outside world, it is inseparable from the hard work of our children. Only by learning scientific knowledge from generation to generation can we yearn for a wider world."

"Just like the students in the mountains, they must also be eager to see the outside world and broaden their horizons."

"It's not just about looking at the skyscrapers outside, but also about looking beyond our county, our city, our province, even our country, the world beyond our planet."

My dear, there is more to this chapter. Please click on the next page to continue reading. It will be even more exciting later!

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