Laniakea encompasses 100,000 galaxies stretched out over 500 million light-years.

兰天超团内部包含10万，延伸5亿光年的距离。

This is accelerating the expansion of the universe driving galaxies ever further from each other.

这种能量正在加速宇宙的扩展，使得之间的距离越来越远。

Within the universe there are a hundred billion galaxies.

宇宙里有一千亿。

Scientists have also discovered other galaxies in the universe.

科学家们也已经在宇宙中发现了许多其他。

We've been able to see very distant galaxies with Hubble.

我们已经能用哈勃望远观测到非常遥远的。

He saw clusters of stars, brightly colored nebulas, even entire galaxies!

他看到了无数团，明亮的云，甚至还看到了河！

But we have discovered new galaxies right here where we least expected, within our ocean.

但我们发现了新的，就在这我们最意想不到的地方海洋之中。

These are all the names of galaxies, massive concentration of stars.

这些都是的名字，大量的恒。

The galaxy's most successful couples' counseling institute.

他家是河里最好的婚姻咨询机构。

The galaxy's most ambitious, least successful con artists.

里最雄心勃勃却最失败的诈骗集团。

But they have these outsize effects on whole galaxies.

但它们对都有着巨大的影响。

We can study it by looking at galaxies.

我们可以通过观察来研究它。

Most galaxies are built around supermassive black holes.

大多数都是围绕超大质量黑洞建造的。

They think they control the galaxy, I disagree.

他们自认为统治河 我不同意。

It will take millennia to reach the target galaxy.

因为信息要花上千年才能到达目标。

Khan says there are enough galaxies for each classroom on earth to adopt one

可汗说，地球上每教室都有足够的来容纳一。

There are billions of galaxies, all with billions of planets.

即，有数十亿，所有都有数十亿行。

Each of those galaxies contains about 100 billion stars.

每包含着大约1000亿恒。

Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our home galaxy.

环绕着河的 2 万亿就是由 200 万亿亿颗恒组成的。

Now, galaxies come in all different shapes and sizes, right?

我们知道有各种形状和大小，对吧？