疏散星团，通常来讲，结构松散并且在几亿年中持续分散。
Open clusters, in general, are loosely bound and they disperse over hundreds of millions of years.
宇宙里动人心弦的影像，涵盖了错综复杂的尘埃带、明亮的星云星团，分散在我们银河中心星场。
The breathtaking cosmic vista shows off intricate dust lanes, bright nebulae, and star clusters scattered through our galaxy's rich central starfields.
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