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Supermassive Black Hole
The hypothesized power source of a quasar or active galaxy, formed by the gradual accretion of material in the center of a galaxy. In the core of the Milky Way galaxy, Sagittarius A* seems to be a similar object.
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Development Notes
Text by M. Alan Kazlev
Initially published on 31 December 2007.
Initially published on 31 December 2007.
