This is the star that's exploded. That's a supernova.

这爆炸的恒星。那超新星。

But what if we could anticipate a supernova before its light reached us?

或许，我们可以尝试在光线传达到地球前 预测超新星的发生？

In this first image taken at the end of October there is no supernova.

在10底拍的第一张照片中没有超新星。

The next image was taken on Nov. 14 Again, no Supernova.

下一张照片1114日还没有。

Well the truth is they had seen this same exact supernova before.

好吧，事实他们之前曾见过样的超新星。

There are two types of supernova.

超新星分为两类。

So how did they manage to predict a supernova, almost to the month?

他们做到将预测的时间段（从十万年）压缩到近一个的？

A supernova is a devastatingly dangerous space explosion.

超新星爆发最具毁灭性危险的宇宙爆炸。

Rick, Supernova's getting away. Eh, who cares?

瑞克，超新星跑了。谁在乎？

And this black hole was not born in a kind of explosion called a supernova.

这个黑洞不在超新星的爆炸中产生的。

So can our Sun ever explode into a supernova?

那我们的太阳会爆炸成超新星吗？

When a star explodes, we call it a supernova.

当恒星爆炸时，我们称之为超新星。

The gold on your wedding ring is created in a supernova.

你的结婚戒指中的黄金由“超新星”产生的。

Maybe some future supernova will occur close enough

谁知道呢？

So anything heavier than iron has to be created in a supernova explosion.

因此，所有比铁重的元素都在超新星爆炸中产生的。

The massive star explosion, called a supernova, results in a massive black hole.

大质量恒星爆炸，被称为超新星，会产生一个大质量黑洞。

The expanding supernova shockwave propels its elemental debris

那爆炸后的结果什呢？

Maybe six out of a trillion stars explode into fiery balls of supernova death.

也许只有一兆分之六的恒星将会经历超新星爆炸。

I say “might” explode, because it's at the lower mass limit for going supernova.

我说" 可能" 爆炸，因为它处超新星的质量下限。

SNEWS will trigger an alert warning that a supernova is imminent.

SNEWS会启动超新星爆炸警报。