frozen star
quasistar
quasiblack
Messier 87*
hypercompact
Sagittarius A*
black hole star
dark star
infaller
hypernova
Sagittario
Cygnus X-1
unnova
blazar
melanoheliophobia
Kruskal-Szekeres coordinates
ductography
leptophilic
collapsar
eternally collapsing object
blanet
aponigricon
darkon
frozar
big crunch
Hawking's paradox
quasistellar
lodestar
planetesimal
quark star
loadstar
compact star
regular black hole
primordial black hole
branon
astrotail
microquasar
perinigricon
symmetron
firewall
asterism
thermalon
astrognosy
Lich
superkick
fuzzball
failed supernova
gravastar
hyperaccretion
coalsack