Do, Tuan Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole. [electronic resource] - Science (New York, N.Y.) 08 2019 - 664-668 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1095-9203 Standard No.: 10.1126/science.aav8137 doi