Maybe many people know the universe is very big.
也许不少人知道宇宙是非常大的。
Some scientists thought theuniverse seems to be rapidly expanding its component galaxies moving ever farther apart.
一些科学家认为宇宙似乎是迅速扩大其组成的星系移动过远。
Soit's very big. There are many heavenly bodies in the universe.
因此这是非常大的。有许多在宇宙天体。
If you stand in space, youwill see many beautiful stars, like sun and other planets.
如果你站在空间，您会看到许多美丽的像太阳和其他行星恒星。
And then, let's recognize oursolar system. There are eight planets in our solar system.
然后，让我们认识到我们太阳系。有8个在我们的太阳系行星。
They're Mercury, Venus, Earth,Mars, Jupiter, Saturn, Uranus and Neptune.
他们是水星，金星，地球，火星，木星，土星，天王星和海王星。
The Sun is very hot. Its surface has 5600℃. Its gravitation is very strong.
太阳是很热。它的表面有5600℃。它的引力非常强大。
So the Earth goes around Sun. And the Earth is our home. We'reliving on the Earth, and it is the most beautiful in the solar system.
因此，地球去周围周日地球是我们的家。我们生活在地球上，它是太阳系中最美丽的。
It has lots of waterand plants. And the moon is the Earth's partner.
它有大量的水和植物。而月球是地球的合作伙伴。
It goes around the Earth. And other planetsare very far from the Earth.
月球环绕地球旋转。和其他行星很远离地球。
So the people can't reach them and none of them has anenvironment with air. The people also can't live in them.
因此，市民不能达到这些目标，而其中没有一个是环境与空气。人民也不能住在其中。
Finally, let’s see in the sky in the night. There is much beautiful and magic view in the universe.
最后，让我们在天空中看到的夜晚。有许多美丽而神奇的宇宙观点。
