以上来源于: WordNet
N a cloud of interstellar gas and dust that gradually collapses, forming a hot dense core, and evolves into a star once nuclear fusion can occur in the core 原恒星
Simple laws of physics suggest, that gas-dust complexes in the interstellar medium may evolve, first into protostars and subsequently into stars.
简单的物理学定律揭示出，星际介质中的气尘复合体可以进化，先是演化为原恒星，接下去再演化为恒星。
NASA's Spitzer Space Telescope captured a glowing stellar nursery within a dark globule that reveals the birth of new protostars, or embryonic stars, and young stars never before seen.
NASA的斯比策空间望远镜捕获到一个处于黑色的水滴状星云中的恒星摇篮，在这里诞生了新的原恒星，或者叫做恒星的胚胎；这里还发现许多从未见过的年轻恒星。
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