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若有小行星撞地球该如何阻止？专家：喷漆就行了
source link: http://tech.sina.com.cn/d/s/2018-03-25/doc-ifysqqfh6918427.shtml
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参考消息网3月25日报道美国小发明网站3月21日刊登《我们可以简单地向飞往地球的小行星喷漆而无需用核武器摧毁》一文，作者为瑞安·F·曼德尔鲍姆，文章摘编如下：文章称，最近许多报纸头条都在讨论用核武器攻击小行星。正如之前报道过的，NASA的确
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