The Sky
天空
Every day the sun looks like it is moving across the sky.
太阳每天看起来都像在天空中移动。
But actually the sun is not moving.
但实际上太阳并没有移动。
The sun looks like it is moving as the earth rotates.
太阳看起来像是在地球自转时在移动。
When the side we live on faces the sun we have day.
当我们生活的一面面向太阳时，我们就有了一天。
When the side we live on turns away from the sun we have night.
当我们居住的地方背离太阳时，我们就有了夜晚。
In the day sky we can see the sun.
在白天的天空中，我们可以看到太阳。
The sun is a star.
太阳是一颗恒星。
A star is an object that makes its own light.
恒星是一种自己发光的物体。
The sun gives light and warmth to the earth.
太阳给地球带来光明和温暖。
There is no sunlight in the night sky.
夜空中没有阳光。
In the night sky we can see planets, stars and the moon.
在夜空中，我们可以看到行星、星星和月亮。
Planets are objects that move around the sun.
行星是围绕太阳运动的物体。
The earth is a planet.
地球是一个行星。
The moon is the object that moves around the earth.
月球是绕着地球转的物体。
Planets, stars and the moon look small because they are far away from the earth.
行星、恒星和月亮看起来很小，因为它们离地球很远。