STARSET_MirrorAstronomers saw a star dancing around a black hole. And it proves Einstein’s theory was right
For the first time, astronomers have observed a star orbiting the supermassive black hole at the center of our Milky Way galaxy. And the star is dancing to the predicted tune of Albert Einstein’s general theory of relativity.The study published Thursday in the journal Astronomy & Astrophysics.Observations of the star were made by astronomers using the European Southern Observatory’s Very Large Telescope in Chile’s Atacama Desert. They saw that the star’s orbit is shaped like a rosette.Isaac Newton’s theory of gravity suggested the orbit would look like an ellipse, but it doesn’t. The rosette shape, however, holds up Einstein’s theory of relativity.“Einstein’s general relativity predicts that bound orbits of one object around another are not closed, as in Newtonian gravity, but precess forwards in the plane of motion,” said Reinhard Genzel, in a statement. He is the director at the Max Planck Institute for Extraterrestrial Physics in Garching, Germany.
天文学家第一次观测到一颗恒星时，它是围绕着银河系中心的超大质量黑洞运行的，而这颗恒星正随着阿尔伯特·爱因斯坦所提出的《广义相对论》里而翩翩起舞（这是比喻，意味着按照提出的广义相对论所运转）。
这项研究发表在周四的《天文学与天体物理学》杂志上。
天文学家利用位于智利阿塔卡马沙漠的欧洲南方天文台的超大望远镜观测到了这颗恒星，他们发现这颗恒星的轨道形状像玫瑰一样。
艾萨克·牛顿的《引力理论》认为轨道看起来像一个椭圆，但事实并非如此。然而，类似玫瑰形的轨道支撑着爱因斯坦的相对论。
“爱因斯坦的广义相对论预测：一个物体围绕另一个物体的束缚轨道不是封闭的，不像牛顿引力那样，而是在运动平面上向前进”：Reinhard Genzel在一份声明中说，而他是德国加兴马克斯·普朗克地外物理研究所的主任。
Read more at CNN
翻译：SGCS翻译组
