"The stars are lost!" Owl (y ī n ɡ) Wake up, see last night's stars all over the sky are not a, hurriedly call good partner squirrel.
The little squirrel opened his eyes wide and looked at the sky carefully again and again, but he couldn't see it. He was so anxious that he came to the owl's house with tears in his eyes.
The little owl said, "the stars are our good friends. We have to find them. Jingwei can reclaim the sea, and we can find stars. I think the stars are behind the white clouds
The little squirrel looked up at the big white clouds and said, "let's go to heaven to look for them."
"Well, just look for it." Kitten headed eagle (TU) ó) The little squirrel flies to the white cloud. It is thirsty, hungry and tired.
Suddenly, a call came from the front: "children, what are you going to do?"
As soon as the owl saw that it was an eagle, it said, "let's find the stars."
"Looking for the stars?" The eagle laughed. "What are you looking for?"
"The little squirrel replied," we lost the stars we saw last night. Let's look for them
The eagle said, "in fact, the stars are the same galaxy as the earth we live in í n h é x ì) But for us, it's beyond our reach. We don't lose stars, we just can't see them in the daytime. "
老鹰说：“实际上，星星和我们所住的地球一样都是银河系(yín hé xì)的星球，但对我们来说是可望而不可即的。星星不会丢，只是白天我们看不见而已。”
"Why is that?" Asked the little squirrel.
The eagle replied, "I majored in astronomy. I have a way for you to see the stars now."
The little owl and the little squirrel were happy and fell to the ground with the eagle. The eagle said, "you can't see stars during the day because part of the sun's light is scattered by the earth's atmosphere (s) à n sh è)， Shine the sky very bright. If there is no atmosphere, the sky is dark. No matter how strong the sun is, we can see stars. "
The little owl and the little squirrel heard this, and they suddenly ǎ n ɡ r á n) Dawu: "it's the atmosphere that's making trouble!"
"Yes." The eagle put something on the ground and said, "this is an astronomical telescope. Look at it."
"See! The stars have been found The owl and squirrel clapped their hands and cheered.
The eagle said, "you can see stars in the daytime with an astronomical telescope because of the wall of the telescope (T ǒ n ɡ b ì) Block most of the light scattered in the atmosphere (D ǎ n ɡ) After living, an artificial "small night sky" was formed; Second, the lens in the telescope produces refraction, which makes the sky dim（ à n d à n) Come down. "
老鹰说：“用天文望远镜能在白天看到星星，一是因为天文望远镜的筒壁(tǒnɡ bì)把大部分散射在大气里的光线挡(dǎnɡ)住了，形成了一个人工‘小夜空’;二是因为望远镜中的透镜产生了折射作用，使天空黯淡(àn dàn)下来。”
The owl and squirrel said, "we should learn more knowledge in the future, so as not to make jokes..."
The stars are very far away from us, just like the sun, but the sun is close to us. In the daytime, the sunlight obscures the weak light of the stars. At night, after the earth rotates half a circle, the sunlight is blocked. We are in the back of the sun, which is the night. Naturally, we can see the stars. To see stars in the daytime, just use an astronomical telescope. Through telescopes, we can see stars in the daytime.