protogroup
protocluster
cowfish
Cl
supercluster
galaxy group
metagalaxy
cluster
galaxy cluster
supergalaxy
spiral galaxy
oligogalacturonate
hypercluster
galactogenesis
Sm
IrG
dwarf spheroidal
gastrophysics
spiral nebula
common chickweed
intergalactic space
green pea galaxy
astrocladistics
protobulge
cD
subhalo
dI
G
robust association of massive baryonic objects
dIG
Magellanic Clouds
galactic center
barred spiral galaxy
Magellanic Cloud
galaxy filament
flocculent spiral galaxy
stellar disk
whirlpool galaxy
superluminous spiral galaxy
Im
open cluster
star city
dwarf galaxy
superverse
lenticular galaxy
galactography
arclet
Markarian galaxy
asterism
SC