Messier 87* English

Meaning Messier 87* meaning

What does Messier 87* mean?

Messier 87* properNoun

— The central supermassive black hole of galaxy Messier 87, the first directly imaged supermassive blackhole

Messier 87 properNoun

— The central galaxy of the Virgo Cluster of galaxies, which in turn is the central cluster of the Virgo Supercluster (Local Supercluster) of galaxies, which in turn is the local lobe of the Laniakea Supercluster. (The Earth, its Solar System, and our Milky Way Galaxy are contained within the Local Supercluster.)