少突神经胶质一种由类似于但小于星形细胞的细胞构成的神经胶质，位于中枢神经系统，与。
Neuroglia consisting of cells similar to but smaller than astrocytes, found in the central nervous system and associated with the formation of myelin.
几乎没有已知的新恒星形成于椭圆星系。
望远镜于2003年发射升空，至今仍在不断拓展人类对恒星形成区域、幼年恒星及其他恒星系统的了解。
Spitzer was launched in 2003 and has significantly advanced our knowledge of star-forming regions, young stars and other solar systems.
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