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In the depths of our solar system there is a suburb.
在我们太阳系的深处，有一个郊区。
No, not that kind of suburb.
不，不是那种郊区。
Instead of McMansions, this neighborhood is home to ancient space rocks,
这里没有独栋别墅，这里蕴含着古老的太空岩石，
the ominous planet nine and clues about the formation of the universe.
预期中的第九大行星以及宇宙形成的线索。
It's called the Kuiper Belt.
它被称为柯伊伯带。
It was named after a pioneering astronomer who worked with Carl Sagan on a secret mission to detonate a nuclear bomb on the moon.
它以一位天文学先驱的名字命名，这位天文学家曾与卡尔·萨根合作执行一项秘密任务，在月球上引爆核弹。
But that's another story.
但那是另一回事。
The Kuiper Belt can be found beyond the farthest planet from the sun
柯伊伯带比太阳系中距离太阳最远的行星还要远，
which is why objects in the belt are referred to as trans-Neptunian.
这就是为什么带中天体都称作海王星外天体的原因。
This is where you'll find Pluto and some of the other members of the Dwarf Planet Squad.
在这里你会找到冥王星和其他矮行星成员。
Most of the objects in the Kuiper Belt are really really really old.
柯伊伯带中的大多数天体真的真的真的非常老了。
When the solar system formed billions of years ago,
数十亿年前太阳系形成时，
the gravitational tug from the new planets swept all surrounding objects into the sun or out of the solar system.
来自新行星的引力将周围的物体吸入太阳或扫到太阳系外。
But objects that were far enough away were safe and they grouped together in orbit forming the Kuiper Belt.
但是很远的物体是安全的，它们在轨道上形成了一个整体，也就是柯伊伯带。
This region has, for the most part, been a mystery to astronomers.
在很大程度上，这个区域对天文学家来说仍是个谜。
But they're actively working to find out if the Kuiper Belt contains secrets about the formation of the solar system.
但他们积极探寻，想要了解柯伊伯带是否蕴藏着太阳系形成的秘密。
And if it is home to what many believe might be the ninth planet.
以及它是否是许多人认为是第九大行星的家园。
You can catch more episodes of Space Crafts right here.
谢谢收看！在这里，你可以找到更多太空工艺品。
In this episode, you'll learn all about our planet terminator.
在这一集中，你将了解到关于我们地球终结者的一切。
Thanks for watching Seeker, don't forget to subscribe!
谢谢收看Seeker，敬请订阅！
