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人类最远探测到宇宙多深
更新时间: 2020-09-24 00:00:00  

人类通过望远镜深景观察到130亿光年的距离。

光年是长度单位,是计量光在宇宙真空中沿直线传播了一年时间的距离的单位,一般被用于衡量天体间的时空距离,其字面意思是指光在宇宙真空中沿直线传播了一年时间所经过的距离,为9,460,730,472,580,800米,是时间和光速计算出来的单位。

关键词: 人类 探测 宇宙

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