The Solar System太阳系

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The solar system is a family.
太阳系是一个大家族。

The solar system has many parts.
太阳系分为许多部分。

The sun is at the center.
太阳是太阳系的中心。

Eight planets go around the sun.
八大行星围绕着太阳转动。

Fun Fact：
有趣的事实：

Planets get heat and light from the sun.
行星从太阳那里获得光和热。

Earth is one of the eight planets.
地球是八大行星中的一颗。

Five planets have more than one moon.
其中五颗行星有不止一颗卫星。

Fun Fact：
有趣的事实：

Earth has one moon.
地球只有一颗卫星，是月亮。

The moons go around the planets.
卫星绕着行星转。

Asteroids are big rocks.
小行星是一颗大石头。

Fun Fact：
有趣的事实：

There are thousands of asteroids in the solar system.
太阳系中有数以千计的小行星。

Asteroids go around the sun.
小行星都绕太阳运行。

Comets are balls of ice.
彗星是个冰球。

Comets go around the sun.
彗星绕着太阳转。

Fun Fact：
有趣的事实：

Comets have tails when they're near the sun.
当彗星靠近太阳时，就有个尾巴。

Shooting stars are bits of rock or iron that fall to Earth.
流星是落向地球的小块岩石或者铁。

Fun Fact：
有趣的事实：

Shooting stars is another name of meteors.
Shooting stars是meteors的另一个名字。

Bits of rock or iron go around the sun.
岩石碎片和铁围绕太阳运转。

The solar system is a great BIG family！
太阳系是一个大家庭！