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。

Dark matter surrounds the Milky Way galaxy.

暗物质围绕着银河系。

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。

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。

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。

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。