> The name Sgr A* was coined by Brown in a 1982 paper because the radio source was "exciting", and excited states of atoms are denoted with asterisks.
https://en.wikipedia.org/wiki/Sagittarius_A*
> The name Sgr A* was coined by Brown in a 1982 paper because the radio source was "exciting", and excited states of atoms are denoted with asterisks.
https://en.wikipedia.org/wiki/Sagittarius_A*