The two biggest are the Large and Small Magellanic Clouds, visible from the southern hemisphere.

最大的两个是大麦哲伦云和小麦哲伦云，从南半球可以看到它们。

The images are in galaxies beyond the Large Magellanic Cloud and Small Magellanic Cloud.

这些图像属于大麦哲伦星系和小麦哲伦星系之外的星系。

And the third region that we want to study is called NGC346, is farther away still about 200,000 light-years in the Small Magellanic Cloud, yet another galaxy.

我们要研究的第三个区域称为 NGC346，距离麦哲伦星系约 200,000 光年，是另一个星系。

Some of these, you may have seen when observing the night sky, or you may have heard of, like the Large Magellanic Cloud and the Small Magellanic Cloud.

其中一些，你可能在观察夜空时见过，或者你可能听说过， 比如大麦哲伦云和小麦哲伦云。

If you look up at the southern sky, you can actually see two of these small galaxies, the largest of the small galaxies that are orbiting our Milky Way, the Large Magellanic Cloud and the Small Magellanic Cloud.

如果你抬头仰望南方的天空，你实际上可以看到两个这样的小星系，即大麦哲伦星云和小麦哲伦星云，它们是围绕我们银河系运行的最大的小星系。