只不过你看不到他们罢了。
在形成过程中的恒星，被称为年轻恒星或者yso，都嵌在了你所看到的紧凑的粉色星云之中，不过如果通过光学望远镜来观察的话是看不到的。
Stars in the process of formation, called young stellar objects or YSOs, are embedded in the compact pinkish nebulae seen here, but are otherwise hidden from the prying eyes of optical telescopes.
不过，我觉得你漏掉了一条患者看不到的因素，而这个因素非常非常重要。
I think, though, that you missed one enormously important factor which is invisible to patients.
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