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

这是爆炸恒星。那是星。

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 预测星发生？

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

在10月底拍摄第一张照片中没有星。

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

下一张照片摄于11月14日还是没有。

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星。

There are two types of supernova.

星分为两类。

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

只要我是级巨星，而不是星就好了。

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

他们是怎么做到将预测时间段（从十万年）压缩到近一个月？

A supernova is a devastatingly dangerous space explosion.

星爆发是最具毁灭性危险宇宙爆炸。

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

瑞克，星跑了。谁在乎？

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

这个黑洞不是在星爆炸中产生。

So can our Sun ever explode into a supernova?

那么我们太阳会爆炸成星吗？

When a star explodes, we call it a supernova.

当恒星爆炸时，我们称之为星。

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

你结婚戒指中黄金是由“星”产生。

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，所有比铁重元素都是在星爆炸中产生。

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

大质量恒星爆炸，被称为星，会产生一个大质量黑洞。

NASA describes a supernova as an " extremely bright, super-powerful explosion of a star."

美国国家航空航天局将星爆炸描述为“恒星一种极其明亮、级强大爆炸”。

The expanding supernova shockwave propels its elemental debris

那么爆炸后结果是什么呢？

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

也许只有一兆分之六恒星将会经历星爆炸。