Asteroids are also called minor planets, not to be confused with dwarf planets like Pluto.

小行成为微型行，不要把它和像冥王这样的矮行混淆了。

There were many planets and asteroids circling the sun.

太阳周围有许多行和小行。

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

太阳系的小行也没有这种形状的。

But an asteroid zipped by us yesterday.

但是我们昨天同一颗小行擦身而过。

In this case, an asteroid hitting the Earth.

在这个例子，坏事为一颗小行撞击地球。

This gives the asteroid a small kick in the opposite direction.

这为小行提供了反方向的微弱推进力。

On Mercury, without that atmosphere, the asteroids and meteors smack down at full throttle.

水上没有大气陨直接全速撞击水表面。

When it arrives at the mass of a large asteroid, its radiating at room temperature.

当它的质量达到大型小行的质量时，辐射温度会变为室温。

NASA's plan is to send a spacecraft called Lucy on a flyby of seven asteroids.

美国宇航局的计划是发射一艘名为“露西”的宇宙飞船近飞探测七颗小行。

Are they all car models, characters of Greek mythology, asteroid names or tire brands?

它们都是汽车模型、希腊神话人物、小行名称还是轮胎品牌？

Vesta was a character in Roman mythology but these are all the names of asteroids.

维斯塔是罗马神话的一个人物，但它们都是小行的名字。

But of course, their height couldn't save them from the asteroid strike.

但当然，它们的身高无法拯救它们脱离小行撞击。

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

小行靠近小行带，它们是岩石而非气体。

The idea is to create soil that's like that on Mars or asteroids.

这个想法是想创造出类似火或小行上的土壤。

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

在靠近小行带的地方，有许多固体而非气体。

At least we had an asteroid, what's your excuse?

至少恐龙可以怪小行，你们有什么借口？

And four times further than the asteroid belt.

比小行带的四倍还多。

An asteroid, a comet, Mike Pence, or the first " Masked Singer" .

一颗小行，一颗彗，迈克·彭斯，还是第一个“蒙面歌王”。

No, it's an asteroid that's headed toward Earth as you watch this show.

不，都不是，是一颗小行，在大家收看我们节目时它正朝着地球飞来。

Next up, though, could an asteroid ever become a disasteroid?

接下来，一颗小行会变成一颗非小行吗？