We now know that the Universe is far, far larger than just our Milky Way galaxy.

我们现在知道，宇宙要比我们的银河系大得多。

Dark matter surrounds the Milky Way galaxy.

暗物质围绕着银河系。

With Hubble, we've been able to see beyond the Milky Way Galaxy.

有了哈勃望远镜，我们能够看到银河系之外的东西。

And that sounds like a lot, but we suspect that there are around a trillion exoplanets in the Milky way galaxy.

这听起来很多 但我们怀疑银河系中有大约一万亿颗系外行星。

This is at the very center of the Milky Way Galaxy.

它处于银河系的中心位置。

There's one right at the center of our Milky Way galaxy.

在我们的银河系中心就有一个。

Both groups were interested in the center of our Milky Way galaxy.

两组人都对我们银河系的中心很感兴趣。

But all of these have been observed in the Milky Way galaxy.

但所有这些行星都已在银河系中被观测到。

It's a big town, and it's called the Milky Way galaxy.

这是一个很大的城镇，叫做银河系。

And this band is the densest part of our own Milky Way Galaxy.

这条带是银河系中恒星最密集的部分。

There are more cells in your brain than stars in the Milky Way galaxy.

你大脑中的细胞比银河系中的恒星还要多。

When we zoom out even further, we can see the entire Milky Way galaxy.

当我们再进一步缩放，我们可以看到整个银河系。

The images will cover about one-third of the universe beyond our Milky Way galaxy.

这些图像将覆盖银河系以外约三分之一的宇宙。

The Milky Way galaxy has 250 billion plus or minus a few hundred billion stars.

银河系有2500亿颗恒星，误差可能有几千亿。

It would be the first one ever detected outside of our own Milky Way Galaxy.

这将是第一次在我们的银河系之外探测到（行星）。

There may be around one hundred billion stars just in our Milky Way galaxy alone.

仅仅在我们的银河系中就有大概一千亿颗恒星。

Of course, by the 1900s we still thought our Milky Way galaxy was the whole universe.

当然，1900 年代我们仍然认为我们的银河系就是整个宇宙。

The scientists said it remains unclear how the black hole formed in our Milky Way galaxy.

科学家表示，目前还不清楚该黑洞是如何在我们的银河系中形成的。

We can see nearby galaxies, like the Andromeda Galaxy, that are interacting with the Milky Way Galaxy.

我们可以看到附近的星系，比如仙女座星系，它们与银河系相互作用。

The Drake Equation claims that there are at least 20 detectable civilizations in our Milky Way galaxy alone.

德雷克方程表明光是我们的银河系中就至少有20种可测文明。