primum mobile Definition

prime mover, first cause, sidereal time, ptolemaic system, sidereal day, sidereal year, translunary, antichthon, solar day, copernican system, astrometeorology, firmamental, original cost, uranoscopy, solar year, tellurion, astronomical year, binary system, inferior planet, causal agent, trioctile, first gear, apparent magnitude, anomalistic year, superterrestrial, absolute magnitude, astrogeny, gravitational force, mean solar day, point of departure, acronycally, launch window, ephemeris time, star chart, biquintile, acronycal, celestial point, rest mass, isotherombrose, astrognosy, tropical year, lunary, hubble law, leap second, terrestrial telescope, sphere of influence, natural object, for one thing, interplanetary space, inner planet, cosmoplastic, supercelestial, geogony, at first, uranology, gravitational collapse, coriolis force, isocryme, antiscian, deictically, gravitational field, on one hand, astrophobia, spring up, relativistic mass, midnight sun, antorbital, cosmic time, almucantar, subastral, superlunar, motific, lorentz force, absolute space, inferior conjunction, event horizon, anaphorically, first of all, substantialism, orbital plane, larmor precession, homaloidal, gravitational constant, geogonic, evection, astrosphere, vacuist, in proportion to, equinoctial circle, lunicurrent, epigene, major planet, selenodesy, ontological argument, monodynamism, superior conjunction, extraterrestrial object, facient, superior planet, cosmothetic,