Sagittarius A*: The Milky Way’s supermassive black hole

Sagittarius A*, often abbreviated to 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 an estimated mass millions times that of our sun. There are still many mysteries that 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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