Fermi bubble
blazar
smirch
gamma-ray burst
stellar disk
spiral arm
fuzzball
Hawking radiation
superbubble
coalsack
melanoheliophobia
barred spiral galaxy
massive compact halo object
SC
frozen star
kugelblitz
star stream
aponigricon
galaxy cluster
protogalaxy
hyperaccretion
Sm
barlens
protobulge
galactic center
warm ionized medium
hypernova
primordial black hole
blanet
intergalactic space
supergalaxy
galactic halo
kilonova
Cygnus
deleptonization
supershell
supernova remnant
asymmetron
super weakly interacting massive particle
intergalactic medium
flocculent spiral galaxy
quasistar
fast blue optical transient
galactic habitable zone
wimpzilla
stripped-envelope supernova
dark star
accretion disk
ELG
gastrophysics