文章列表

• 1.Are There People Living on Other Planets
• the earth we live on is a planet. Are there people living on any other planets？ answer this question， we have to talk out why there are people on th...
• 2.How Far Are the Stars from Us
• The moon is the closest star to the earth. It is over 380，000 kilometres from us. It takes 100 days for us to get there by train or 16 days by airpla...
• 3.Are All the Stars the Same Size
• There are many， kinds of stars. Some are big and some are small. There arc nine planets revolving around the sun. The earth is， one of them. Of the ...
• 4.What Is the Milky Way？
• In the clear sky in summer and autumn， we can see， besides other stars， a silvery belt that looks like a river. People call it the Milky Way. This ...
• 5.Are There More Stars in Summer Than Winter
• There are more stars in some parts of the sky than in others. The place that has the most stars is known as the Milky Way， or the Galaxy. From differ...
• 6.Are All the Stars White
• Besides white stars， there are also yellow， red and blue ones. The colour of the star is decided by its temperature. When we put a piece of iron ove...
• 7.Why Starry Night Always Followed Sunny Day
• Sometimes there are more stars in the sky than others. This has a lot to do with the cloud in the sky. If the cloud is thick， it will cover the star ...
• 8.Why Can't We See the Stars During the Day
• When you turn the light off at night， the room becomes very dark. When you light a candle in the dark room， it seems very bright. But if you turn on...
• 9.Why Do the Stars Twinkle in the Sky
• At night sometimes the stars twinkle like people blinking their eyes. Actually， it is the air playing a trick. The earth we live on is surrounded by ...
• 10.Why Do the Stars Shine in the Sky
• When the stars shine in the evening sky， they are like many lights in the sky. How do the stars shine？ As we have already learned the sun is bright ...