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在现在的宇宙终结之后 还有另一个宇宙存在吗？
source link: https://tech.sina.com.cn/d/s/2018-08-31/doc-ihiixyeu1621855.shtml
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来源：环球科学ScientificAmerican138亿年前，大爆炸拉开了宇宙演化的序幕。但这就是时间的开端吗？在大爆炸之前、在现在的宇宙终结之后，还有另一个宇宙存在吗？在一篇最近发表在预印本网站arxiv的论文中，著名理论物理学家罗杰·
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