Galaxy

A galaxy was a gravitationally bound system of stars, gas, planets, and dark matter.
== Types ==
* Spiral galaxies
** Barred spiral galaxies, like Iv Mon
** Superluminous spiral galaxies
* Elliptical galaxies
** Shell galaxies
* Dwarf galaxies
== List of galaxies ==
* Provus Filament
** Advaro Supercluster
*** Rrego Cluster
**** Iv Mon
* 
** Laniakea Supercluster
*** Cluster 42-a (a.k.a "The Local Group")
**** Milky Way
**** Andromeda Galaxy
**** Triangulum Galaxy
**** Others
*** Virgo Cluster