Sagittarius A*: the supermassive black hole in the Milky Way

Sagittarius A*, often abbreviated as Sgr A* and pronounced “Sagittarius A Star”, is a supermassive black hole located at the center of our spiral galaxy, the Milky Way.

Sagittarius A* is mostly dormant and only occasionally absorbs gas or dust, but nevertheless has a mass estimated to be millions of times that of our sun. Many mysteries still surround the supermassive black hole, but experts aren’t completely in the dark, and further observations from the Event Horizon Telescope promise to reveal more.

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