Sagittarius A*
English
Etymology
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.
Proper noun
- The central supermassive black hole of the Milky Way Galaxy.
Synonyms
- Sgr A* (abbreviation)
See also
- Messier 87* (“Pōwehi”) (the first directly imaged central supermassive black hole of a galaxy)
Further reading
- Sagittarius A* on Wikipedia.Wikipedia