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But look at this, it's like a string of gleaming pearls.
但是你看这个，看起来很像一串闪亮的珍珠
It's a fireball
一个火球
expanding out from what must have been a massive explosion.
在强烈爆炸后向外扩张
A supernova.
一颗超新星
So bright that when light from the explosion reached Earth 20 years ago
爆炸产生的光非常亮，当20年前抵达地球时
it was visible to the naked eye
用肉眼就可以看到
And so violent, it triggered a string of nuclear reactions
而且爆炸非常强烈，引发了一连串核反应
forcing atoms together, creating new elements
迫使原子聚合生成新的元素
gold, silver, platinum, blasting them out into space.
金、银、白金，被抛入太空
The gold in the ring on you finger
你手指上戒指里的黄金
was forged in a massive supernova like this
就是数百亿年前在这样一个
trillions of miles away, billions of years ago.
距离数兆英里的超新星内部中生成的
Before we left home, the universe seemed desperate
在我们出发前，宇宙似乎与我们无关
something out there, up in the sky.
只是存在于我们头顶上的天空
But now we know better.
但是现在我们更了解了
We are the universe, and it is within us
我们是宇宙，它就在我们之中
It's comforting to remember as we venture through this abyss.
在穿越这个深渊之时，这个想法让我们稍感安慰
Further and further
越来越远
Faster and faster
远来越快
The Andromeda Galaxy two and half million light years away
仙女座星系距离地球250万光年
It's racing through space
它在太空中疾行
everything blown apart, like shrapnel in an explosion.
太空中所有的东西都像榴霰弹爆炸后的弹片那样四散分离
We're seeing this galaxy as it was
我们看到的这个星系的形态
when our ape-like ancestors first walked on the African plains
和我们的猿类祖先首次在非洲平原上行走时的一样
Further through space, and further back in time
我们在太空中前进越远，回溯的时光也就越远
Hold on. This doesn't look right
等等，这个看来有点不对劲
A whole galaxy exploding?
整个星系在爆炸？
The only thing large enough to cause an explosion on this scale
唯一能引起这么大规模爆炸的
is another galaxy.
必定是和另一个星系相撞
It looks like the end of the world
这看起来像世界末日
But this galaxy won't die, it will be reborn.
可这个星系不会死亡，它会重生
A new shape, perhaps even new stars
形成新的形状，甚至可能诞生新的恒星
as dust and gas collide, creating friction, shockwaves
当尘埃和气体碰撞、产生摩擦、冲击波
triggering the birth of stars.
引发一个恒星的诞生
