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首次！宇宙第一缕曙光被捕捉，或改写对暗物质认知
source link: http://tech.sina.com.cn/d/s/2018-03-02/doc-ifwnpcns9822554.shtml
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在最新的《自然》期刊中，美国科学家成功捕捉到了再电离时期的21厘米中性氢原子信号，探测到了宇宙的“第一缕曙光”。这意味着天文学对宇宙“黑暗时代”的研究，翻开了一个新的篇章。而他们发现信号中的异常之处，还可能有助于科学家分析暗物质的性质。撰文
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