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articles/interplanetary-communication/ #27

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utterances-bot opened this issue Apr 9, 2020 · 1 comment
Open

articles/interplanetary-communication/ #27

utterances-bot opened this issue Apr 9, 2020 · 1 comment
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行星际通信相关问题 | 行星大学 Planetary University

地球和火星之间相距遥远，最近几年来看，基本上平均最近的时候在 0.5AU，电磁波信号大约延时 250s，最远平均在 2.5AU，电磁波信号大约延时 20 分钟多一点。当然这不是火星和地球相距最近最远。由于火星的轨道的偏心率比较大，最近可以达到 0.37AU，最远可以达到 2.68AU. 1 1AU = 499 光秒，1AU = 1.5*10^8 km ↩

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这篇文章很有趣

@emptymalei emptymalei added the comments comments on the website label Apr 9, 2020
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