event horizon Definition

naked singularity, gravitational force, gravitational field, gravitational collapse, weak force, hubble law, cosmic background radiation, collapsar, rest mass, theory of relativity, almucantar, fundamental interaction, interplanetary space, absolute magnitude, inglobate, principle of relativity, steady state theory, relativistic mass, spacetime, gravitational, sidereal time, evection, gravitational constant, extraterrestrial object, physical phenomenon, inner planet, gauge boson, weak interaction, vacuist, apparent magnitude, black hole, sphere of influence, compton effect, quantum number, gravitino, minor planet, binary system, strong force, astrosphere, inferior planet, singularity, small circle, atomic theory, circumjovial, universe, major planet, orbital plane, selenodesy, sidereal day, interplanetary medium, strong interaction, astrometeorology, astrophobia, cosmoplastic, tyndall effect, nuclear fusion, giant planet, electromagnetic interaction, coriolis force, lorentz force, midnight sun, horizon, intergalactic space, roche limit, pauli exclusion principle, star chart, rest energy, color force, sidereal year, white dwarf, uranoscopy, standard candle, gyromagnetic ratio, protogalaxy, heliometer, acronycal, binary star, antichthon, geotaxis, neocosmic, multiple star, optical phenomenon, space probe, oort cloud, fundamental particle, larmor precession, universology, gravitational interaction, geocyclic, intersidereal, geogony, spherograph, relativity theory, astrognosy, solar constant, mean free path, brownian movement, macrophysics, magnetic moment, hydrospace,