Three of these four objects have possible, but unproved, associations with young supernova remnants.

这四颗星体中的三颗，可能都和年轻超新星的残骸在一起，但这一点还尚待确定。

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Also called 30 Doradus, the red and pink gas indicates a massive emission nebula, although supernova remnants and dark nebula also exist there.

也被称为剑鱼座30，红色和粉色气体标示一个大质量发射星云，尽管这儿也存在着超新星遗迹和暗星云。

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Supernova remnants: What is left after a heavy star violently explodes.

超新星遗迹：超重星体爆炸后所剩下的残迹。

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Particles such as these have been detected previously in supernova remnants and pulsar nebulae.

BBC: Arches Cluster, Leicester

One source of high-energy neutrinos is likely to be supernova remnants, such as the Crab Nebula.

ECONOMIST: Neutrino astronomy

They reveal their youth by sitting right in the middle of supernova remnants that have yet to fade away.

ECONOMIST: Pulsars