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“九号行星”之谜：可能根本不是行星而是原初黑洞
source link: https://tech.sina.com.cn/d/s/2020-06-03/doc-iirczymk4967800.shtml
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新浪科技讯北京时间6月3日消息，据国外媒体报道，在太阳系最遥远、最寒冷的边缘地带，隐藏着一颗巨大的天体，对海王星之外的小型天体们施加着引力。该天体是一个假想中的外星世界，被称作“九号行星”。它沿着一条极长的轨道围绕太阳旋转，在黑暗中引发了各
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