Observations indicate that gas clouds in galaxy M87 are whirling unusually fast about the galaxy's center.

观测表明 M87 星系的气体云围绕星系中心旋转的速度异常快。

youdao

One of the most active star-forming regions near Earth, N11 is part of a complex network of gas clouds and star clusters in the Large Magellanic cloud, a neighboring galaxy.

其中一个最活跃的恒星形成区域靠近地球，N11是在大麦哲伦星云(一个邻近星系)里的气云和星团所组成的复杂网络的一部分。

youdao

Looming near the mighty sweep of the southern Milky Way, the Large and Small Magellanic Clouds resemble detached pieces of our galaxy.

在银河系南部浩大一片地区附近若隐若现的大、小麦哲伦星云与我们星系不连接在一起的星云相似。

youdao

As galaxy clusters form, they create clouds of hot electrons.

ECONOMIST: Cosmology

Gas clouds in the middle of the galaxy are, everyone agrees, partly ionised: radiation flying through has battered electrons off some of the atoms in the gas.

ECONOMIST: Here be serpents

Try as they might astronomers simply cannot see through these clouds to the centre of our Milky Way galaxy.

BBC: By BBC News Online Science Editor Dr David Whitehouse