写一篇关于明星外貌的英语作文，，，急啊
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r universe must have a big bang or the beginning of time? In 1965, the British mathematician and physicist Roger Penrose gave an answer to the question.. The light cones behavior in general relativity and gravity is always attractive to the fact that, he pointed out that the stellar collapse under their own gravity is trapped in a region, the surface is finally re
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