astronomic, exorbitant, stratospheric, astounding, staggering, unfathomable, colossal, celestial mechanics, extragalactic, astonishing, unimaginable, enormous, astrophysical, exponential, epsilon aurigae, stupendous, sidereal, cosmic, celestial, unprecedented, infinitesimal, minuscule, miniscule, proxima centauri, extortionate, eclipsing binary, ungodly, humongous, galactic, gargantuan, incredible, astro, insignificant, hefty, gigantic, prohibitive, hubble constant, oort cloud, nominal, planetary, orbiting, incalculable, uncountable, whopping, huge, cosmological, inflated, infinite, omega centauri, immense, rocketing, celestial sphere, massive, planck, cosmic ray, alarming, unheard, exoplanet, approximate, trifling, superdense, unmeasurable, inordinate, chump change, calendrical, saturnian, ridiculous, rocket scientist, outlandish, brobdingnagian, dizzying, interstellar, paltry, earthshine, outrageous, commensurable, unexplainable, occulted, unbelievable, amazing, bargain basement, astrological, astronomical telescope, jovian, large magellanic cloud, geometric progression, extravagant, commensurate, puny, inconsiderable, dynamical, arcsecond, radial velocity, phenomenal, lunar, particle physics, actual, neutron star, redshift, incommensurable, monstrous, ecliptic, 3c, acquisitions, adoptions, affliction, alluvial, anatomists, andrews, archbishops, assailants, atrocity, barbarities, berger, biographers, bison, bombers, borrowings, bulletins, call, campfires, captures, meteorological, seismological, ethnological, calendric, metrological, anthropological, embryological, geodetic, geological, hydrological, ornithological, parapsychological, cartographic, musicological, numismatic, philological

astronomy unit, copernican system, ephemeris, harmonic law, imprecise, kepler's third law, observatory, optical telescope, parsec, planetarium, radio reflector, radio telescope, secpar, solar parallax

big, large