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在银河系中心，爱因斯坦的理论得到验证
source link: https://tech.sina.com.cn/d/s/2019-07-26/doc-ihytcerm6356855.shtml
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来源：环球科学加州大学洛杉矶分校的研究团队通过夏威夷Keck天文台对银河系中心黑洞附近的恒星S0-2进行了观测。这颗恒星围绕银河系中心的超大质量黑洞公转，周期是11.5年。研究人员还研究了从S0-2到地球的光子的引力红移。引力红移是由广义相
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