The residual effects of the cloud clusters are generally ignored even though the area they cover is perhaps an order of magnitude larger than the convective region itself.
云团的残余影响通常是忽略不计的，即使它们覆盖的地区比对流区本身可能大一个量级也如此。
But it isn't entirely clear whether they have more in common with galaxies like our own or globular clusters, which astronomers generally do not think of as galaxies.
但是我们还不完全清楚，这些星体到底和我们的星系还是和球形星团更像。这种球形星团，就不被认为是星系。
There is no generally accepted spatial definition for clusters.
没有被普遍接受的集群空间定义。
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