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

霍金也是一位家、数家和作家。

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

而当今家可能会描述月球对地球倾斜稳定起了很大作用。

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，但是这让好几代顶级家彻夜难眠。

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

在这种情况下，玻尔兹曼悖论重新引起了当代家兴趣。

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家现在排在首位目标。

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

让家回顾了时期。

Cosmologists have come up with a name, dark energy.

家给它起了名字，暗能量。

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

对家来说，前进道路上充满了太多不确定因素。

Cosmologists are making sense of startling discoveries.

家正在研究那些惊人发现。

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

相比之下，整个非常简单，甚至家也会承认这一点。

Cosmologists don't know what dark energy is.

家不知道暗能量是什么。

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

作为家，我们要做就是把爱因斯坦相对论应用到整个中。

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加利福尼亚大，是一位理论家。

Here, astronomers like Richard Ellis are working on a problem that has been all-consuming for cosmologists since Edwin Hubble.

理查艾利斯等天文家在这里研究自从艾德温哈勃以来让家费尽心思问题。

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

这已经使得家能绘制一幅规模惊人地图。

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

甚至更奇妙是，它透露了重大消息，帮助科家预测怎么终结。

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

但家仔细测量了膨胀率，把一切都考虑在内。

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

家推论必定存在某种能量使免于坍缩。

Cosmologists can now see at a glance how the galaxies are arranged in space.

家们现在可以窥见星系在太空布局了。

But even without being able to see the universe in those first instants, cosmologists are pretty sure about a few things.

但是即使不能在最初瞬间看到，家也相当确定一些事情。