Comrades Lao Ding and Lao Du looked at each other. The richest person they knew was Liu Yuying, who was in the coal business. It would be nice to have a chat with him and hear his opinions.
"Lao Du, are we going to the living quarters to look for him tomorrow?"
"Okay, talk to him. We'll go find him tomorrow."
…
In the next few days, Comrade Lao Du and Lao Ding were busy with gym matters, going out early and coming back late every day. Du Chen did not ask. Now his family conditions were pretty good, and Du Chen just wanted to lie down and enjoy himself. While he was still young, he didn't have to worry about so many things, so Du Chen thought about trying all his hobbies. Now that he had money and free time, he had to treat himself better.
"Chenchen, what have you been doing these days? You're studying with a book every day. I've never seen you so eager to learn before."
Du Bin, who had just returned from evening self-study, saw Du Chen studying a book with a pen in his hand, calculating non-stop, which made Du Bin very curious.
"Here, here you go! I haven't studied either."
Du Chen handed the book on the table to Du Bin without even looking up, while his hands were still doing calculations on the manuscript paper.
Ding Miaomiao also curiously looked at the book in Du Bin's hand. She was also curious about what Du Chen was doing. She never saw Du Chen studying or doing homework. Now seeing Du Chen concentrating on calculations, Ding Miaomiao's curiosity was also aroused.
"Popular Astronomy, Chenchen, what are you doing? Looking at the stars?"
"Well, don't you think the universe is amazing and shocking?"
Du Chen asked Du Bin back, he himself likes to look at the stars, it would be great if he had an astronomical telescope to look at the stars and the moon every night.
"What's so good about the stars? You're already so old."
Instead, Du Bin laughed at Du Chen, thinking that Du Chen was just a little kid who had not grown up.
"Come on, brother, sister Miaomiao, come out with me!"
Du Chen put down the pen in his hand, pulled Du Bin and Ding Miaomiao out of the glasses store, pointed at the sky and spoke to them.
"Brother, Sister Miaomiao, look, this is the Milky Way. Look, the Milky Way runs through the entire sky. Look, the entire Milky Way is twinkling with stars. Isn't it shocking?"
Du Chen was always shocked every time he looked at the Milky Way in the sky. In front of the vast universe, human beings seemed so small. Unfortunately, as time passed, the degree of industrialization in cities became higher and higher, and it became more and more difficult to see a sky full of stars in the city.
"Shocking? Aren't they just stars?"
Du Bin looked up at the stars for a while, felt his neck a little tired, and said to Du Chen without any emotion.
"Sister Miaomiao, what about you?"
Du Chen ignored the heartless Du Bin and asked Ding Miaomiao who was standing beside him.
"Yeah, it's amazing! After I grew up, I never looked up at the stars again. Now looking at them like this, they are really spectacular! I remember when I was a child, I wanted to count the stars in the sky. Now I look at them, I guess I will never be able to count them in my lifetime!"
Looking at the Milky Way in the sky, Ding Miaomiao suddenly thought of herself as a child, and suddenly discovered the charm of the starry sky.
“I really don’t know how many stars there are in the sky.”
Ding Miaomiao sighed again at the end.
"Sister Miaomiao, according to astronomers' statistical laws, there are 200 billion stars in our Milky Way alone. If we count them with our naked eyes, we can probably count about 3,000 stars!"
"Wow, 200 billion stars! How do scientists know that?"
Ding Miaomiao couldn't help but sigh, and was curious about how astronomers calculated 200 billion stars.
"Chenchen, you're not making this up, are you? Two hundred billion, how can you count that much? You're going to go blind!"
Watching Du Chen and Ding Miaomiao chatting, Du Bin couldn't understand why they were so shocked by the starry sky. Isn't it just stars? What's so curious and shocking about it? Now, when he heard Du Chen say there were 200 billion Hengxin, Du Bin couldn't help but refute Du Chen out loud.
"Brother, this is the power of knowledge. Just because you can't see it doesn't mean it doesn't exist. Just because you don't know it doesn't mean others don't know it."
"Okay, you're right. So what were you writing on the paper? Were you counting the stars in the sky?"
Du Bin was very unconvinced and couldn't help but argue with Du Chen. He didn't believe that Du Chen could calculate anything.
"Nonsense! If I had that ability, I'd still be here. I want to build an astronomical telescope and calculate its data."
"Astronomical telescope!"
Du Bin and Ding Miaomiao asked Du Chen in unison. In their opinion, weren't astronomical telescopes only found in observatories? Just like on TV, there's a hemispherical house with an openable roof, and the tube of that telescope is bigger than a manhole cover. And now Du Chen actually wants to make an astronomical telescope?
"Well, what's wrong?"
"Chenchen, stop bragging! How can you make such a huge telescope? Besides, where can you find those things? Stop kidding!"
"Brother, who are you kidding? I make a small astronomical telescope for astronomy enthusiasts, not the kind you think it is!"
"Chenchen, that astronomical telescope must be very complicated, right? Can you make it? And where can you buy the accessories?"
Ding Miaomiao also asked Du Chen curiously. She also had some doubts. If Du Chen never did anything without certainty, she would also find it unbelievable!
"Brother, Sister Miaomiao, it's not as complicated as you think. I want to make a Newtonian reflecting astronomical telescope. It has a simple structure, and it can still see the moon and Mars."
"Chenchen, are you telling the truth? You didn't lie to us?"
Du Bin still asked Du Chen in disbelief. He felt that Du Chen was lying, but seeing Du Chen's serious look, he was not sure whether what Du Chen said was true or not.
"Brother, how long have I lied to you?"
"Chenchen, can you really see the moon?"
Ding Miaomiao asked Du Chen curiously and excitedly.
"Well, Sister Miaomiao, the moon is quite clear. Come on, let's go inside. I'll tell you what a Newtonian reflecting telescope is."
"Chenchen, is this difficult?"
When Du Bin heard about making something, his interest was immediately piqued. He didn't have much to play with normally, so it must be cool to make an astronomical telescope by himself. He could then brag about it to his classmates.
"Chenchen, where did you learn this? Why do I feel like you can find information on anything you want to do?"
Ding Miaomiao was curious about why Du Chen always found some information that she thought was very obscure.
"Sister Miaomiao, this time I looked for information in our school library and the city library. I also borrowed this book from the city library."
In his previous life, Du Chen wanted to make an astronomical telescope. He had also seen how to make one, but he couldn't remember so much data. This time, he happened to come across an introduction to astronomical telescopes in the school library. He went to the city library and searched for a long time before he found a little bit of information.
"I haven't been to the library yet. Next time you go to the library, call me and I'll go take a look too!"
"Okay, Sister Miaomiao! I'll go return the book in a few days!"
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