Does the Milky Way's central black hole rotate? This star could tell us | ESO Astronomers have discovered the fastest known star in our galaxy, the Milky Way, orbiting Sagittarius A*, the black hole at its center. The star, named S301, was detected with the European Southern Observatory’s Very Large Telescope Interferometer (VLTI) and it reaches speeds of more than 8% the speed of light. It comes…