Closer in, in the asteroid belt.

在接近一点，在小行星带里。

And four times further than the asteroid belt.

比小行星带的四倍还多。

Closer in the asteroid belt, these are rocks not gas.

小行星靠近小行星带，它们是岩石而非气体。

But in reality, our asteroid belt is mostly empty space!

但实际上，小行星带大部分都是很空旷的！

Closer in in the asteroid belt, these are rocks not gas.

在靠近小行星带的地方，有许多固体而非气体。

" Perhaps an asteroid family was broken up in the asteroid belt, " Mazrouei suggested.

" 也许一个小行星家族从小行星带中分断开了，" 马兹鲁伊说。

Take the asteroid belt, for example, located between Mars and Jupiter.

以位于火星和木星之间的小行星带为例。

Starting from low Mars orbit, a tether could boost ships to the asteroid belt.

从低火星轨道开始，系绳可以将飞船推向小行星带。

They may be captured asteroids from the nearby asteroid belt.

它们可能是从附近的小行星带被捕获而来的流星。

Once we speed through Mars' orbit we'll pass through the asteroid belt.

一旦我们快速穿过火星轨道，我们就会穿过小行星带。

Lucy will next visit the asteroid Donaldjohanson in 2025 in the main asteroid belt.

露西将在2025年访问主小行星带中的小行星唐纳德·约翰森小行星。

The asteroid belt has been disrupted over time by the movement of the giant planets.

随着时间的推移，小行星带被巨行星的运动扰乱了。

The asteroid belt is potentially full of valuable metals, worth trillions and trillions of dollars.

小行星带可能充满了价值数万亿美元的贵金属。

Not just one thing, but all the objects found at that distance form the asteroid belt.

不只是这一件，在那段距离里发现的所有物体组成了小行星带。

Between Mars and Jupiter is a large asteroid belt.

火星和木星之间是一个巨大的小行星带。

OK. Let's get going. Today I'm going to talk about how the asteroid belt was discovered.

好了。我们开始。今天我要讲小行星带是如何被发现的。

A significant amount of asteroids are found in the asteroid belt, which lies between Mars and Jupiter.

在火星和木星之间的小行星带中发现了大量的小行星。

So here's a question: why is there even a main asteroid belt at all?

为什么会有一个主小行星带呢？

Locked in a gravitational dance with Saturn, Jupiter moves back through the asteroid belt.

在与土星的引力共舞中，木星穿过小行星带向后移动。

And this has acted to throw material from the asteroid belt out of the asteroid belt into the outer solar system.

这使得小行星带的物质被抛出小行星带，进入外太阳系。