一些星系单独出现或成对出现，但它们更经常以叫做星群、星团和超级星团的较大的星协的组成部分来出现。
Some galaxies occur alone or in pairs, but they are more often parts of larger associations known as groups, clusters, and superclusters.
这些观察结果表明我们的太阳正在穿过一片本地星际云（Local Interstellar Cloud），而这片星际云正在远离天蝎座和人马座星协（Scorpius-Centaurus Association）的恒星形成区域流动。
These observations show that our Sun is moving through a Local Interstellar Cloud as this cloud flows outwards from the Scorpius-Centaurus Association star forming region.
从所有已被提出和发现的230多颗超新星遗迹和1300多颗脉冲星中，总结出一个共50对脉冲星与超新星遗迹成协候选体的样本。
We list a sample of 50 pairs of pulsar (PSR) and supernova remnant (SNR) associations which have been suggested from over 230 SNRs and 1300 PSRs.
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