Sagittarius A*

From being the unseen gravitational centre associated with the astronomical radio source Sagittarius A, the astrophysical radio source associated with the centre of the Milky Way Galaxy.

Sagittarius A*

1. The central supermassive black hole of the Milky Way Galaxy.
   • 2022 May 12, Dennis Overbye, “The Milky Way’s Black Hole Comes to Light”, in The New York Times‎, →ISSN:

     Sagittarius A*, the black hole in the Milky Way galaxy, was a harder target. It is less than one-thousandth the mass and size of the M87 hole and, therefore, evolves a thousand times faster.

• Sgr A* (abbreviation)

• Messier 87* (“Pōwehi”) (the first directly imaged central supermassive black hole of a galaxy)

• Sagittarius A* on Wikipedia.Wikipedia