A region where stars appear to be especially numerous and close together.
- That smudge is the nucleus of another galaxy, at least as large as our own, and two hundred times farther from us than the Sagittarius star cloud.
- A trio of massive, young star clusters found embedded in a star cloud may shed light on the formation of super-star clusters and globular clusters.
- And if you live under deep darkness, you can see vast star clouds of the Milky Way silently boiling up in the south.
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