切尔诺贝利核电站的反应堆没有安全壳结构，安全壳结构本可以在爆炸后限制辐射气体排放到大气中，所以，切尔诺贝利核电站就是安全壳结构缺失的最佳反例。
The lack of a containment structure for the Chernobyl reactor, whichmight have limited the emission of radioactivity into the atmosphere after theexplosion, is only the most glaring example.
这些温室气体会扰乱气候的辐射平衡。
And these greenhouse gases perturb the radiation balance of climate.
同时，新恒星释放出强烈的紫外线辐射，加热了气体，从而是星云发光。
Meanwhile, newborn stars are emitting intense ultraviolet radiation, heating the gas and causing the nebula to glow.
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