Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 108. Chapters: Black hole, Timeline of black hole physics, Wormhole, Naked singularity, Quasar, Holographic principle, Cosmic censorship hypothesis, Accretion disc, Hawking radiation, Gravitational wave, Kerr metric, Active galactic nucleus, Micro black hole, Schwarzschild metric, Fuzzball, Supermassive black hole, Gullstrand-Painleve coordinates, Penrose-Hawking singularity theorems, Compact star, Kerr-Newman metric, Sagittarius A*, Schwarzschild radius, Surface gravity, List of most massive stars, White hole, Outline of astronomy, Blazar, Black hole information paradox, Black hole thermodynamics, M-sigma relation, Immirzi parameter, Rotating black hole, Stellar black hole, No-hair theorem, Spaghettification, Dark star, Ring singularity, Primordial black hole, Black holes in fiction, Gravastar, Reissner-Nordstrom metric, Intermediate-mass black hole, Photon sphere, Thorne-Hawking-Preskill bet, Gravitational collapse, Planck particle, Magnetospheric eternally collapsing object, Spin-flip, Membrane paradigm, Nonsingular black hole models, Black hole electron, Fairall 9, Carter constant, Dark energy star, Sonic black hole, List of black holes, Tolman-Oppenheimer-Volkoff limit, Penrose process, Nuker Team, Ergosphere, Hydra A, Apparent horizon, Brightest cluster galaxy, Black hole complementarity, Polar jet, Black star, M33 X-7, BTZ black hole, Quasistar, Boyer-Lindquist coordinates, Black hole bomb, Photon surface, Virtual black hole, CENBOL, Charged black hole, GCIRS 13E, Trans-Planckian problem, Trapped null surface, Extremal black hole, Kugelblitz, GRO J0422+32, Kerr/CFT correspondence, AdS black hole, Optical black hole, Blandford-Znajek process, Diskoseismology, Black string, Near-extremal black hole, CFHQS J2329-0301, M82 X-1, Black brane, Inspiral, Kaluza-Klein black hole, MTZ black hole, Atomic...