欧洲南天天文台的超大型望远镜发现了银河系中已知速度最快的恒星，这颗恒星以每秒约25,000公里的速度围绕银河系中心的超大质量黑洞运行1。该恒星的运行速度比商业飞机快100,000倍1，仅需8.7年完成一次完整公转，其轨道也比之前发现的任何恒星都要更靠近黑洞，距黑洞的距离仅为此前记录保持者的十分之一1。这项发现于周三发表在《自然》杂志上1。
马普外星物理研究所天文学家Stefan Gillessen表示，"那颗恒星真的非常、极其快速"1。加州大学洛杉矶分校天文学家Tuan Do则评价称，"这仅仅是冰山一角"1。位于智利阿塔卡玛沙漠的欧洲南天天文台迄今已映射了约50颗围绕黑洞运行的恒星的轨道1。
The European Southern Observatory's Extremely Large Telescope has identified the fastest star ever detected in the Milky Way, traveling at approximately 25,000 kilometers per second around the supermassive black hole at the galaxy's center 1. This remarkable star completes its orbit in just 8.7 years and circles closer to the black hole than any previously known star—roughly ten times nearer than the previous record holder 1. The discovery was published in the journal Nature on Wednesday 1.
The star's extraordinary velocity, equivalent to 15,534 miles per second, makes commercial aircraft appear stationary by comparison, moving roughly 100,000 times faster 1. Stefan Gillessen, an astronomer at the Max Planck Institute for Extraterrestrial Physics, remarked that "That star is really, extremely fast" 1. The observatory, located in Chile's Atacama Desert, has mapped the orbits of approximately fifty stars in this region 1. Tuan Do, an astronomer from UCLA, suggested that "This is just the tip of the iceberg," implying further discoveries may lie ahead 1.
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