Sagittarius A* (pronounced "A-star") was the supergiant quantum singularity at the center of the Milky Way Galaxy. It had an estimated mass of slightly over four million solar masses.
History and specifics[]
In 2384, the Machine, under the directive of the Body Electric, increased the mass of Abbadon, another massive black hole, intending to collide it with Sagittarius A* to create a subspatial lens. The lens would have been capable of transmitting energy and information across the universe to the Body Electric's home galaxy, as well as becoming part of a work of art to represent its achievements for cosmic posterity. However, subspace throughout the entire galaxy would have been destroyed, and the resulting radiation wave would have killed all biological lifeforms. The crew of the USS Enterprise-E and the Traveler, Wesley Crusher, persuaded the Body Electric not to complete its task and instead create a longer lasting, non-destructive cosmic network. (TNG - Cold Equations novel: The Body Electric)
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| Stellar classification | |
|---|---|
| By class and type | class O blue-violet star • class B blue star • class A blue-white star • class F white star (white dwarf) • class G yellow star (yellow dwarf • yellow giant) • class K orange star (orange giant) • class M red star (red dwarf • red giant • red supergiant) • boson star • brown dwarf • green star • N-type star • R-type star • S-type star • D-type star |
| By size or makeup | black hole/black star • carbon star • dwarf star (brown dwarf • red dwarf • white dwarf • yellow dwarf) • giant star (blue giant • red giant • orange giant • yellow giant) • Lazarus star • microstar • neutron star (collapsar • magnetar • pulsar) • protostar • supergiant star • variable star • white hole • Wolf-Rayet star |