binary star Definition

binary, double star, multiple star, binary system, visual binary, giant star, white dwarf, star chart, intersidereal, minor planet, giant planet, summer triangle, major planet, stelliform, absolute magnitude, triangulum australe, inferior planet, interplanetary space, circumjovial, variable star, inner planet, star, superior planet, chromatoscope, astrognosy, apparent magnitude, gravitational field, sidereal time, dwarf star, proxima centauri, evection, enif, little bear, apastron, collapsar, siderostat, proper motion, astrophobia, planet, extraterrestrial object, astrography, copernican system, stellular, ptolemaic system, great bear, acronycal, gravitational collapse, constellation, apocynthion, astroscopy, catasterism, orbit, apojove, sterope, cepheid variable, star shell, oort cloud, sidereal year, hubble law, alpha centauri, apolune, nebula, spiral nebula, uranoscopy, heliometer, metagalaxy, telespectroscope, sabianism, dog star, regrede, andromeda galaxy, beta centauri, outer planet, planetary nebula, astronomy unit, light year, light second, galaxy, celestial sphere, interplanetary medium, coma berenices, stellar, canis major, acronycally, protogalaxy, starproof, astrosphere, sidereal day, radio astronomy, leo minor, terrestrial telescope, solar telescope, subconstellation, celestial body, terrestrial planet, planetary, extrasolar, corona borealis, galilean satellite, crab nebula,