距地球仅7亿光年，宇宙深处有个直径达2.5亿光年的巨大空洞！科学家也难以理解和解释：为什么星系呈均匀分布的宇宙，却存在一个能放进去上千个银河系的超级空洞？那里过去究竟发生过什么？
Synopsis
天啊，距地球仅7亿光年，宇宙深处有个直径达2.5亿光年的巨大空洞！科学家也难以理解和解释：为什么星系呈均匀分布的宇宙， ...
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