THESAURUS
interstellar
Cynthian, anagalactic, asteroidal, astral, astrologic, astrologistic, astrologous, astronomic, astrophysical, celestial, circumplanetary, cislunar, empyreal, empyrean, equinoctial, extragalactic, galactic, heavenly, heliacal, intercosmic, interplanetary, intersidereal, lunar, lunary, lunate, lunular, lunulate, meteoric, meteoritic, nebular, nebulose, nebulous, planetal, planetarian, planetary, planetesimal, semilunar, sidereal, solar, sphery, star-spangled, star-studded, starry, stellar, stellary, terrestrial, uranic, zodiacal