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

这是爆炸的恒星。那是超新星。

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

好吧，事实是他们之前曾见过同样的超新星。

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月底拍摄的第一张照片中没有超新星。

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

他们是怎么做到将预测的时间段（从十万年）压缩到近一个月的？

There are two types of supernova.

超新星分为两类。

A supernova is a devastatingly dangerous space explosion.

超新星爆发是最具毁灭性危险的宇宙爆炸。

So can our Sun ever explode into a supernova?

那么我们的太阳会爆炸成超新星吗？

The neutrinos may be from explosive star deaths called supernovas.

中微子可能来自被称为超新星的爆炸性恒星死亡。

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是由“超新星”产生的。

In comparison, most supernovas are visibly bright for only a few months.

相比之下，大多数超新星的亮度只有几个月。

'Many are actually long dead...' - Tom, is that you? - '. .exploded into supernovas.'

很多已经停止了运转...-汤姆，是你吗？-...爆炸后变成超新星。

Well, as long as I'm a " Superstar" and not a supernova.

只要我是超级巨星，而不是超新星就好了。

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是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。

For example, the data include information about more than 1,000 exploding stars, or supernovas.

例如，这些数据涵盖了1千多个爆发星体，或称为超星体的信息。

The expanding supernova shockwave propels its elemental debris

那么爆炸后的结果是什么呢？

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。