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太空殖民拯救人类？灭绝可能性或上升 还需三思而行
source link: https://tech.sina.com.cn/d/s/2018-09-06/doc-ihitesuy9295295.shtml
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新浪科技讯北京时间9月6日消息，据国外媒体报道，太空殖民一直是科幻作品中经久不衰的话题，如今似乎越来越引人注目，这其中的原因很多。颇受欢迎的天文学家尼尔·德·格拉斯·泰森（NeildeGrasseTyson）声称，太空殖民将促进经济发展，并
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