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去一次火星要多久
更新时间: 2021-02-22 05:34:23  

1、地球到火星最近为5500多万千米,最远可达3~4亿千米光速30万千米每秒,所以如果是光,地球到火星最近的时候要150秒,最远的时候要1000多秒,就是20分钟左右!

2、如果人类乘飞行器去火星,按目前技术,得要7、8个月,当然还是火星距离地球最近的5500多万千米的时候飞过去。这样往返一次火星,至少耗时2到3年时间。

关键词: 火星 多久

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