Hawking was also a cosmologist, a mathematician and an author.

霍金也是一位宇宙家、数家和作家。

David Schlegel is a cosmologist from the University of California at Berkeley.

卫·施莱格尔是一位宇宙家，来自于伯克利的加州分校。

Anthony Aguirre, from the University of California in Santa Cruz, is a theoretical cosmologist.

安东尼·阿吉雷来自于圣克鲁斯的加利福尼，是一位理论宇宙家。

And by comparison, the entire universe is very simple and even the cosmologists will admit that.

相比之下，整个宇宙非常简单，甚至宇宙家也会承认一点。

Cosmologists don't know what dark energy is.

宇宙家不知道暗能量是什么。

Cosmologists are making sense of startling discoveries.

宇宙家究那些惊人的发现。

For cosmologists, the expansion of the universe is not a problem.

对宇宙家来说，宇宙膨胀不是问题。

In this context, Boltzmann's paradox has found renewed interest by contemporary cosmologists.

种情况下，玻尔兹曼悖论重新引起了当代宇宙家的兴趣。

And that lets cosmologists look back to the very dawn of the universe.

让宇宙家回顾了宇宙的黎明时期。

While a present-day cosmologist might describe the stabilising influence of our Earth's tilt.

而当今的宇宙家可能会描述月球对地球倾斜的稳定起了很作用。

But cosmologists take everything into account, by using careful measurements of the expansion rate.

但宇宙家仔细测量了膨胀率，把一切都考虑内。

Cosmologists have come up with a name, dark energy.

宇宙家给它起了名字，暗能量。

Figuring out what dark energy is, is probably the number one goal of cosmologists today.

搞清楚暗能量是什么可能是宇宙家现排首位的目标。

That may sound absurd, but it's kept several generations of top cosmologists up at night.

听起来可能有些奇怪，但是让好几代顶级宇宙家彻夜难眠。

For cosmologists, the road ahead has become a lot less certain.

对宇宙家来说，前进道路上充满了太多的不确定因素。

This has allowed cosmologists to make a map of unbelievable scale.

已经使得宇宙家能绘制一幅规模惊人的地图。

And even more fantastic, it reveals a great story that helps cosmologists predict how it will end.

甚至更奇妙的是，它透露了重消息，帮助科家预测宇宙怎么终结。

But for cosmologists like Sean Carroll, that's not enough.

但对于肖恩·卡罗尔样的宇宙家来说，还不够。

Cosmologists worked out that there must be some form of energy that keeps the universe from collapsing.

宇宙家推论必定存某种能量使宇宙免于坍缩。

So as cosmologists what we do is we apply Einstein's theory of relativity to the universe as a whole.

作为宇宙家，我们要做的就是把爱因斯坦的相对论应用到整个宇宙中。