There are nine planets in the solar system.

在阳系中有九行星。

What planet in our solar system has the longest days?

阳系中哪颗行星白昼最长？

Look at the solar system, and look at the Earth.

另一些时候则会最终走到尽头。

Ganymede is the largest moon in our solar system.

伽尼墨德(木三)是阳系里最星。

Our solar system is drowning in water.

我们阳系正淹没在水中。

That species may leave the solar system.

那个物种可能会离开阳系。

None of the asteroids in our solar system look like that.

阳系中小行星也没有这种形状。

Our solar system forms in the meantime. - Yeah.

与此同时，我们阳系形成了。 - 是。

Consider the planet Venus in our solar system.

拿我们阳系内金星作为例子。

Well, our solar system definitely isn't alone.

其实，我们阳系并不孤单。

Neptune is one of the farthest planets of the solar system.

海王星是阳系中最远行星之一。

It's " Homeric" odyssey across the outer solar system.

它是穿越外阳系“荷马”奥德赛。

What is the second-smallest planet in our solar system?

阳系中，第二小行星是什么？

They can learn all about the solar system, too.

他们也可以学到很多阳系知识。

Jupiter is the biggest planet in the solar system.

木星是阳系中最行星。

Jupiter really is the lord of the solar system.

木星真是阳系里霸主。

Our solar system is turning into a giant spa.

我们阳系正在变成 一个巨温泉浴场。

Other planned missions cover over half the solar system.

其它计划囊括了多半个阳系。

Everybody ready to say goodbye to our solar system.

家准备跟我们阳系说再见吧。

In your own small solar system?

在你们自己小阳系吗？