Pulsars could help map the black hole at the center of the M

The theory of general relativity (GR), proposed by Einstein over a century ago, remains one of the most well-known scientific postulates of all time. This theory, which explains how spacetime curvature is altered in the presence of massive objects, remains the cornerstone of our most widely-accepted cosmological models. This should come as no surprise since GR has been verified nine ways from Sunday and under the most extreme conditions imaginable. In particular, scientists have mounted several observation campaigns to test GR using Sagittarius A* (Sgr A*), the supermassive black hole at the center of the Milky Way.

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Gran Telescopio Milim , Ralphp Eatough , Radioastronomie Millim , Goethe University Institute For Theoretical Physics , University Of Manchester Jodrell Bank Center , Institute For Millimeter Radio Astronomy , Radboud University Institute For Mathematics , Max Planck Institute Of Radio Astronomy , Kitt Peak National Observatory , Kavli Institute For Astronomy , Large Telescope Interferometer , Milky Way , Event Horizon Telescope , Max Planck Institute , Radio Astronomy , Millimeter Radio Astronomy , Kavli Institute , Jodrell Bank Center , Radboud University , Particle Physics , Goethe University , Neil Gehreles Swift , Atacama Large , Caltech Submillimeter Observatory , Alfonso Serrano , Institut De Radioastronomie Millim ,