The colors in this image reflect the intrinsic color of the different stellar populations that make up the galaxies.
照片中的颜色反映了妆扮星系的不同星族的固有颜色。
Analysis about the abundance in different stellar populations is a very important subject in study of the structure and chemical evolution of the Galaxy.
恒星元素丰度是探讨银河系化学演化的重要探针，分析不同星族成分的元素丰度是研究银河系结构和化学演化的重要课题。
Although researchers have yet to learn much about the stellar populations within these galaxies, one thing they do know is that "the galaxies are extremely blue," says Robertson.
罗伯特森说，尽管研究人员仍需要更多地去了解这些星系中的恒星群落，但有一点的确是了解的：这些星系的颜色是碧蓝碧蓝的。
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