银河系中速度最快的恒星或能揭开黑洞的秘密

天文学家发现了一颗银河系中运行速度最快的恒星。这颗恒星围绕银河系中心的超大质量黑洞运行，其运动轨迹或有助于揭示该黑洞的自转特性。

Astronomers have discovered the fastest star in the galaxy. It orbits the supermassive black hole at the center of our galaxy and could reveal its spin. The post Fastest star in the galaxy could unlock black hole secrets first appeared on EarthSky .