accretion disk

black hole

Cygnus X-1

ergosphere
event horizon

Hawking radiation

Kerr black hole

microquasars

Oppenheimer-Volkoff limit

Reissner-Nordstrom black hole

Schwarzschild black hole
Schwarzschild radius
singularity
stellar evolution
supermassive black hole

V404 Cygni
V4641 Sagittarii

white hole
wormholes