My new post for this new amater science blog: Stars orbiting our MilkyWay black hole. Awesome !
Star Motions Near Sgr A* The stars closest to Sgr A* are moving very rapidly as these images, taken from infrared observations from 1992 to 2008, show. For details, see Max Planck Institute These velocities can be measured and provide a mass for the central object that these stars orbit. Almost three million solar masses are found to be within a region the size of our solar system. www.courses.vcu.e...