English-Hanzi/We live on a planet called Earth

We live on a planet called Earth, which is part of our solar system. But where is our solar system? It is only a small part of the Milky Way.

我们生活在一个叫做地球的星球上，这是我们太阳系的一部分. 但是我们的太阳系在哪里？ 它只是银河系的一小部分.