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

小行星又被称为微型行星，不要把它和像冥王星这样的矮行星混淆了。

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

太阳系中的小行星也没有这种形状的。

There were many planets and asteroids circling the sun.

太阳周围有许多行星和小行星。

He might call it, for example, " Asteroid 325."

例如把它称作“325小行星”。

If I have told you these details about the asteroid, and made a note of its number for you, it is on account of the grown-ups and their ways. Grown-ups love figures.

如果我已经讲过关于小行星B612的这些细节，并且告诉它的编号，这是出于大人以及他的方而考虑。大人就爱数字。

Now researchers have identified rocky, asteroidlike material raining down on two white dwarfs.

如今，研究人员已经确定了如下雨般落白矮星上的多岩石的、类似于小行星的物质。

Fortunately, however, for the reputation of Asteroid B-612, a Turkish dictator made a law that his subjects, under pain of death, should change to European costume.

不过幸运的是， 为了保全B-612小行星的名声，一位土耳其独裁者颁布了一项法律，规定他的臣民必须改穿欧洲服装， 否则将被处以死刑。

I'm going to rename this guy " minor planet."

我要把它的名字改成“小行星（minor planet）”。

Its destination, a near-Earth asteroid named Didymous and its moonlet.

它的目的地是一名为Didymous的近地小行星及其卫星。

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星撞击。

The asteroid they're one is just over a half a mile wide.

它登陆的小行星的直径大约只有二分之一英里。

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

小行星靠近小行星带，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星或小行星上的土壤。

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

靠近小行星带的地方，有许多固体而非气体。

'We have impact! ' NASA slams spacecraft into asteroid in unprecedented test.

“影响重大！美国国家航空航天局前所未有的测试中将航天器撞向小行星。

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

至少恐龙可以怪小行星，有什么借口？

And four times further than the asteroid belt.

比小行星带的四倍还多。

Scientists have known about this asteroid since 2018.

科学家于2018年首次发现这小行星。

Just launched a 12-year mission to explore asteroids and says it will soon land the first woman and first person of color on the moon.

刚刚启动了一项为期12年的小行星探索任务，并表示将很快让第一位女性和有色人种登上月球。

It used to – 4 billion years ago. It’s possible that a massive collision with an asteroid might have heated up Mars's core, disrupting the magnetic fields.

40亿年前是有的。可能是火星与其他小行星发生了剧烈的碰撞使火星核温度升高，扰乱了磁场。