【推荐1】Last year I had a trip with my friend, Nancy. The weather was cloudy except for one night. Nancy and I sat in the field and we felt relaxed. We talked about the fantastic trip, looking at the stars. “It’s a pity we don’t know which stars we’re looking at, Jenny,” said Nancy. “I know some of them.” I answered. Nancy felt surprised when I finally finished telling her all the names I knew.

My interest in stars began when I was eight. My aunt took me to a planetarium (天文馆). A guide showed us the groups of stars and told us stories about how they got their names. The stories were wonderful.

Everyone knows we can see the stars better when it’s not cloudy, but lots of people don’t realize that a bright moon also stops us seeing very much. I always look for the Plough (北斗星), because once I see that, I can find the North Star and other stars.

I wanted to learn more about the stars, so I took a course at the club. There are so many lights in the city that we have to go into the countryside to see any stars. I’m planning to make videos about stars in the countryside. I’ll post them online for everyone to watch. My greatest dream is to be an astronaut and I wish I could have space travel.

【推荐2】According to Ken Croswell, The Sun shines all the time. It shines during the day when we see it, and even at night when we don’t.

As the Earth turns, sometimes we face the Sun. That’s when we get day. When the Earth’s spin (自转) turns us away from the Sun and we are in the Earth’s shadow, we get night. When people on the opposite side of the Earth face the Sun, those people have day while we have night.

The Moon is a different story. Unlike the Sun, it doesn’t make its own light. Moonlight is actually the Sun’s light reflecting (反射) the Moon back to us.

The Sun lights up only the side of the Moon that faces the Sun. At Full Moon, the Moon is on the opposite side of the Earth from the Sun. Then the side of the Moon facing the Earth is all lit up. During Full Moon, the Moon rises around sunset (日落), shines all night, and sets around sunrise (日出). Since the moonlight is so bright, you can sometimes see it during the day, too. A few days before Full Moon, if you look east in the afternoon, you may see the Moon in the sky. After Full Moon, you may find it if you look west in the morning.

The Moon is most difficult to see at New Moon, when its orbit (轨道) puts it between the Earth and the Sun. Then, the side of the Moon facing the Earth is dark and we can’t see the Moon at all.

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【推荐3】In the universe, as we all know, there is the sun, the moon, the earth and many stars. Through our geography lessons, we know the earth goes around the sun, and the moon goes around the earth. We have day and night because the earth keeps turning all the time. When our part of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night.

Just because the moon is closer to the earth than the sun, it looks much bigger than the sun. Big things look smaller when they are further, and small things also look bigger when they are nearer.

The sun is big enough to give out very strong light. The moon can’t give any light at all, but it looks quite bright, too. Why? In fact, the light from the moon comes from the sun. The moon looks much bigger and brighter than the stars, but actually the stars are much bigger and brighter than the moon. They look smaller than the moon also because they’re further away from the earth than the moon.

We all know that at 9:00 a. m. on October 15th, 2003, Chinese astronaut Yang Liwei went to space. He stayed there for 21 hours. It was the first time for Chinese to get into space. Then in the following years, more and more people get into space. I hope I will go to space one day.