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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你曾经对星星感到奇怪吗?从某种程度上,星星就像人一样。它们出生,然后变老,最后死亡。
星星来源于尘埃和气体。慢慢地尘埃和气体形成一个球体。这个球体变得很热,然后它开始发光。
小星星将变成大星星。岁月荏苒,衰老的星星又开始变小。最后,它的光耗尽了,星星的生命结束了。