Explanation: Cradled in glowing hydrogen, stellar nurseries in Orion lie at the edge of a giant molecular cloud some 1,500 light-years away.

 
  • 说明:猎户座众多恒星形成区位在巨大分子云团的边缘,离我们大约1,500光年远,包覆在光亮的氢气云之中。
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