在光速的限制下，人类是不是永远不可能建立超越太阳系的社会了？即使我们假设人类殖民到最近的半人马座，也需要四年的时间才能传达政令。这让人不禁思考：一个国家中央发出的政令，不惜一切代价的传达，也要四年才能送到。当初麦哲伦环球也只用了三年。这样的信息传输效率，真的让人类社会超越太阳系成为可能吗？
关键词：光速限制，社会，殖民，远程通讯
新闻翻译：
Is humanity ever going to build a society beyond the Sun’s orbit? With the speed limit of light, it seems like it’s impossible. Even if we assume that humans have colonized the nearest half-man’s orbit, it would take four years for a message to reach. Think about it: a central government’s order, sent at any cost, would take four years to arrive. And that’s just from Earth to the nearest star system. It’s not hard to imagine how long it would take for a message to travel between two star systems.这样的信息传输效率，真的让人类社会超越太阳系成为可能吗？
【来源】https://www.zhihu.com/question/615060762
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