astronomy unit Definition

light second, light year, absolute magnitude, standard candle, heliometer, parsec, metric linear unit, apparent magnitude, linear unit, apolune, hubble law, semidiameter, heliometry, binary star, minute of arc, femtometer, astronomical unit, apastron, apocynthion, multiple star, sidereal time, sidereal year, nautical linear unit, picometre, myriameter, roche limit, binary system, almucantar, angular unit, intersidereal, straight angle, unit of measurement, triangulum australe, metric unit, radio interferometer, oort cloud, white dwarf, arcsecond, sidereal day, gravitational field, proxima centauri, circumjovial, mean solar day, cubic centimetre, radio galaxy, minor planet, evection, star chart, metric system, arcminute, sea mile, decametric, astronomical year, summer triangle, interplanetary space, celestial point, extraterrestrial object, kilometer, decameter, femtometre, metagalaxy, mass unit, solar year, semimajor axis, inferior planet, inner planet, solar day, major planet, perradial, giant planet, tropical year, redshift, megametre, equinoctial circle, giant star, celestial equator, absorption band, distance, apojove, andromeda galaxy, paramere, chromatoscope, radio astronomer, acronycal, foot poundal, antiscian, pyrheliometer, statute mile, small circle, work unit, electronvolt, cosmic background radiation, ultramicrometer, beamless, solar telescope, metre, little bear, nebula, angular distance, picometer,