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鞍山雅思|天文学家首次探测到中等质量的黑洞

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发表时间:2020-09-12 09:39作者:鞍山际丰英语

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Astronomers have detected the most massive merging of two black holes yet through the oldest and most distant gravitational waves to ever hit Earth. This collision created the first intermediate-mass black hole ever discovered, and it has a mass of 142 times that of our Sun.


借助抵达地球最古老、最遥远的引力波,天文学家发现了迄今最大规模的两黑洞合并事件。两黑洞相撞后,产生的黑洞质量约为太阳的142倍,这是人类首次发现中等质量的黑洞。


The “bang①” of energy created by this black hole merger and released through gravitational waves, or ripples② in the space-time continuum, equaled the energy of eight Suns. The gravitational waves were traced on Earth on May 21, 2019, by the dual③ detectors of Laser Interferometer Gravitational-wave Observatory in the US, as well as the Virgo gravitational-wave detector in Italy. The ripples took 7 billion years to travel across space to reach us on Earth. (CNN)


【注释】


bang: [bæŋ] n. a quick burst of energy or activity 爆炸

ripple: [ˈrɪpl] n. a small wave 涟漪

dual: [ˈdjuːəl] adj. having two parts or aspects 双的,二元的,双倍的


此次合并所产生的能量“爆炸”,相当于八个太阳,通过引力波(时空连续体中的涟漪)释放了出来。2019年5月21日,美国激光干涉引力波天文台的两台探测器及意大利的“处女座”引力波探测器,追踪到了引力波。这些涟漪经过了70亿年才穿越太空,抵达地球。


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