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So is there a grand designer
真能有一位伟大的设计师
who lined up all this good fortune?
让这一系列小概率事件一一实现吗
In my opinion, not necessarily.
在我看来，未必
Look at it this way.
这样来看吧
What if there were other universes?
如果还存在其他宇宙呢
Ones not as lucky as ours.
一些不及我们宇宙幸运的宇宙
Each of these universes could have come from its own big bang with
每一个宇宙都源自各自的大爆炸
different laws of physics and different conditions.
拥有各不相同的物理定律和环境
In some, gravity might not exist and there could be no life.
一些也许并不存在重力，更谈不上出现生命
In others, hydrogen might not fuse, so there
另一些氢气则没有发生聚合反应
would be no stars and again no life.
使得那里没有恒星，也没有生命
For any number of reasons,
出于各种原因
universes could have come and gone without producing anything at all.
宇宙也可能由产生到消亡根本没产生任何物质
So perhaps we should not be too surprised to
因此，也许我们不必过于惊讶
find ourselves in a perfect universe
发现我们生于一个完美的宇宙
orbiting a perfect sun on a perfect planet
在一颗围绕完美太阳旋转的完美星球上
because such perfect places are the only ones
因为只有这般完美的星球
where life like us can exist.
才适宜我们这样的生命存在
We are one of the many products of the universe,
我们是宇宙的众多产物之一
the result of an ancient and elegant mechanism,
古老且精妙的演进过程的结晶
but even this remarkable discovery is
然而，即便是如此非凡的发现
only just the beginning of what physics can tell us.
也只是物理学所能告诉我们的皮毛
We can find out what human kind will face in the distant future.
我们可以探明人类在久远未来将面临的危机
And ultimately, we might discover the fate of the universe itself.
并可能最终揭开宇宙自身命运之谜
One reason I love cosmology is that
我喜欢宇宙学的原因之一是
it tells us not only
它不仅告诉我们
where the vast web of galaxies in our universe came from,
宇宙中巨大的星系网从何而来
but also what lies in store for both the universe and for us.
还透露宇宙及我们未来可能发生的事
I think it's pretty exciting to be among the first human beings
能成为首批看到往后数百年，数十亿年
able to look forward for hundreds and even billions of years,
甚至时间终结之时景象的人
maybe as far as the end of time itself.
是件激动人心的事
What I see is not only the future of the cosmos we inhabit,
我看到的不仅是我们所栖息的宇宙的未来
but also the enormous challenges our species will face.
还有人类所要面对的巨大挑战
After all, we are puny organisms compared
毕竟，相对于创造出我们的宇宙来说
to the mighty universe that made us.
我们是微不足道的
Even the Earth that gave us life
甚至连赋予我们生命的地球
will not always be the blue sanctuary that is today.
也不可能永远充当我们蔚蓝的避难所
