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如果到宇宙尽头：人类面临的最长期挑战是什么？

 4 years ago
source link: https://tech.sina.com.cn/d/s/2019-07-23/doc-ihytcerm5565882.shtml
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新浪科技讯北京时间7月23日消息，文明能存在多久？如果想继续繁盛几十亿年，人类就需要解决一些棘手的问题，包括太阳的死亡到物质的衰变。谈论遥远的未来真的有意义吗？如果我们连下个月什么时候会下雨都不能预测，那么预测几十亿年后会发生什么似乎是更不

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