] The supermassive black hole at the center of our Milky
] Way Galaxy is heftier than thought and rotates at an
] amazing clip, new research shows.
]
] For years scientists said the black hole contained about
] 2.6 million times the mass of the Sun. They now believe
] the figure is somewhere between 3.2 million and 4 million
] solar masses.
]
] And a new study suggests all that mass, confined to an
] area about 10 times smaller than Earth's orbit around the
] Sun, spins around about once every 11 minutes.

New Twists on the Milky Way's Big Black Hole