Have you ever wondered about the stars? In some ways, stars are like people. They are born, then grow old, and at last they die.
A star is born from dust and gas. Slowly the dust and gas make a ball. The ball gets very hot. Then it stars to give off light.
The young star grows into a giant. Many years go by. The older star begin to get small again. At last its light goes out. The star's life is over.
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你曾經(jīng)對(duì)星星感到奇怪嗎?從某種程度上,星星就像人一樣。它們出生,然后變老,最后死亡。
星星來源于塵埃和氣體。慢慢地塵埃和氣體形成一個(gè)球體。這個(gè)球體變得很熱,然后它開始發(fā)光。
小星星將變成大星星。歲月荏苒,衰老的星星又開始變小。最后,它的光耗盡了,星星的生命結(jié)束了。