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

小行又被成为微型行，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.

太周围有许多行和小行。

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

太的小行也没有这种形状的。

But an asteroid zipped by us yesterday.

但是我昨天同一颗小行擦身而过。

Past the asteroid belt we find our systems Jovian planets, starting with Jupiter.

经过小行带，我就能看到太的类木行（离太较远的木），首先是木。

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

水上没有大气接全速撞击水表面。

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。

An asteroid threatens Earth, the military, astronauts, even oil rig drillers try to save mankind.

当一颗小行对地球有威胁，军队、宇航员，甚至石油钻井工人都试图拯救人类。

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

但当然，它的身高无法拯救它脱离小行撞击。

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

小行靠近小行带，它是岩石而非气体。

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，你有什么借口？

And four times further than the asteroid belt.

比小行带的四倍还多。

Scientists have known about this asteroid since 2018.

科学家于2018年首次发现这颗小行。

Many of them are far more interested in another asteroid named Bennu.

许多天文学家对另一颗名为Bennu的小行更感兴趣。

So, most likely, they will have to be delivered from asteroids.

所以，最有可能的是，它将不得不从小行上运送过去。

That includes an asteroid set to pass by the Earth next Tuesday.

其包括一颗将于下周二经过地球的小行。

It's also not the biggest asteroid known to do this.

它也并不是已知掠过地球的最大小行。