photon sphere
Kerr geometry
peribothron
event horizon
null infinity
regular black hole
Hubble volume
ergosphere
quasiblack
superkick
Sagittario
Kerr-Newman black hole
Kruskal-Szekeres coordinates
periscian
Reissner-Nordström black hole
optical black hole
asymptote
aponigricon
hyperfocal distance
light hour
infaller
light second
naked singularity
multidistance
event
spin
branch
asymmetron
path length
BTZ black hole
hyperprism
kugelblitz
spaghettification
azimuth
blazar
photodisk
blanet
blackbody
spiral
locally
limit cycle
celestial pole
firewall
coalsack
jiffy
siren
light day
supermassive black hole
circumcircle
isanemone
hot dark matter
orbital rotation
orbital motion
light minute
elevation
intragalactic
bolt circle
radial
hour circle
first cosmic velocity
fuzzball
orbit
Schwarzschild black hole
interval
sun-synchronous orbit
roundel
coiflet
astronomical transient
slant height
light year
apocenter
light-year
circle round
elongation
polar
orbed
quasistar
ringularity
long
rotation curve
cubinder
revolve around
hypocycloid
Baire space
faster-than-light
circle around
hyperspace
cosmic censorship hypothesis
hypotrochoid
mean planet
warp bubble
chain lightning
supersynchronous
tangent plane
Kerr black hole
hour angle
forked lightning