The Trifid Nebula itself represents the final phase of star formation.
三叶星云本身代表着恒星形成的最后阶段。
Tenth, we see a fragment of the Trifid Nebula, a stellar cradle to 9000 light-years.
第十，我们看到一个片段的三裂星云的恒星摇篮到9000光年。
Some nebulae are made up of both reflection and emission components such as the Trifid Nebula.
有些星云是由反射星云和发射星云结合在一起的，例如三裂星云。
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