visual binary Definition

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