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.
你有没有想过星星？在某些方面，星星就像人。它们出生，然后变老，最后死去。
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.
的恒星是由尘埃和气体产生的。灰尘和气体慢慢地形成一个球。球变得很热。然后恒星发出光。
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.
的年轻恒星成长为一个巨大的恒星。很多年过去了。老恒星又开始变小了。最后它的光熄灭了。星星的生命结束了。