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六光年是多少年
更新时间: 2020-11-06 00:00:00  

六光年是光速走六年经过的距离,还有光秒、光分等单位,光年是光在一年中行走的距离,即约九万四千六百亿公里。在一儒略年的时间中,在自由空间以及距离任何引力场或磁场无限远的地方,一光子所行走的距离。

关键词: 光年 少年

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