planets, proxima centauri, galaxy, perigee, spiral galaxy, perihelion, spacecraft, asteroid belt, triangulum, gravitational interaction, asteroids, milky way galaxy, andromeda galaxy, corot, neutron star, uranus, eclipsing binary, aphelion, oort cloud, prograde, moonlet, synchronous orbit, celestial equator, large magellanic cloud, radial velocity, orbital velocity, comets, luminosities, geosynchronous orbit, jovian, cassini, protostar, celestial sphere, epsilon aurigae, pulsars, quasars, photosphere, fomalhaut, redshift, small magellanic cloud, nebula, moons, occultation, ecliptic, exosphere, baryon, saturnian, supernovae, magnetosphere, meteoroids, planetary, ejecta, betelgeuse, heliosphere, exoplanet, gravitational attraction, ionosphere, interstellar space, antiparticles, flyby, astronomers, venusian, photometry, arcsecond, velocities, hubble constant, mesosphere, geostationary orbit, planetary nebula, cepheid variable, astrometry, pleiades, lutetia, airglow, protons, galactic, corona, puppis, enceladus, coronagraph, orbiter, constellation, retroreflector, sextile, oscillations, chromosphere, satellites, sidereal, alpha centauri, equator, nucleon, heliopause, suns, aurigae, interstellar medium, geostationary, parsecs, antineutrinos, mimas, phobos, novae, gamma rays, orbit, pitches, arcs, trajectories, trajectory, attractors, baselines, ellipses, fio, longitudes, momenta, ranges, diameters, eigenvalues, frequencies, magnifications, multiples, sets, subassemblies, wavelengths

artificial satellite, asteroid, forehead, frontal bone, mesic, minor planet, ophryon, orbit, orbiter, os frontale, os palatinum, palatine, palatine bone, passing, perturb, planetoid, satellite