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人类检测到第四次引力波事件：穿越宇宙的时空涟漪
source link: http://tech.sina.com.cn/d/s/2017-09-29/doc-ifymmiwm0873595.shtml
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新浪科技讯北京时间9月29日消息，据国外媒体报道，天文学家日前表示他们检测到第四次引力波信号，这是穿越宇宙的时空涟漪。这也是设在美国境内的LIGO设施（激光干涉引力波天文台）第四次检测到此类信号。去年初，该设施在人类历史上首次检测到引力波信
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