The Moon, Planets, and Stars .
月亮、行星和恒星。
At night you can see many lights in the sky.
晚上你可以看到天空中有许多灯光。
The moon rotates around the Earth in about 29 days.
月球绕地球旋转大约29天。
It also rotates on its axis about every 29 days.
它还每29天绕轴旋转一次。
So the same side of the moon always faces the Earth.
所以月球的同一面总是面向地球。
The moon reflects light from the sun.
月亮反射来自太阳的光。
As the moon orbits around the Earth, its shape seems to change.
随着月球围绕地球运行，它的形状似乎发生了变化。
These shapes are called the phases of the moon.
这些形状被称为月相。
The Earth is one of the eight planets in our solar system.
地球是太阳系八大行星之一。
Jupiter is the largest planet.
木星是最大的行星。
More than 1,000 Earths could fit inside it.
里面可以容纳1000多个地球。
Jupiter has 62 moons.
木星有62颗卫星。
The planet Saturn has a ring around it.
土星周围有一个环。
You can see Jupiter's moons and Saturn's ring with a telescope.
你可以用望远镜看到木星的卫星和土星环。
Many stars shine in the night sky.
许多星星在夜空中闪闪发光。
Stars are suns.
星星就是太阳。
They are very, very far away.
它们离我们非常非常远。
Some stars have planets orbiting them.
一些恒星有行星围绕它们运行。
Stars can make patterns in the sky, which are called constellations.
星星可以在天空中制造图案，这些图案被称为星座。