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活跃的冥王星：星球表面发现固态甲烷形成的沙丘
source link: http://tech.sina.com.cn/d/s/2018-06-04/doc-ihcmurvh2592927.shtml
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新浪科技讯北京时间6月4日消息，科学家们日前宣布，他们在冥王星表面发现了固态甲烷形成的沙丘。有关发现已经以论文形式发表在《科学》杂志上。这项发现表明，这个遥远的世界可能要比我们原先想象的更加活跃。在此之前，科学家们一度认为，冥王星的大气层过
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