Being such a crowded part of the Galaxy, there have been many cycles of starbirth to produce such dust.
作为银河系最密集的一部分，大量恒星周期性诞生消亡产生了这些尘埃。
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If there are astronomers on any planets in thisgalaxy group, they will have a ringside seat to seeing a flurry of starbirth unfolding over many millions of years to come.