meteoroid Definition

meteor, asteroid, comet, meteorite, ejecta, micrometeoroid, bolide, planetesimal, oort cloud, cosmic ray, spacecraft, magnetosphere, meteor shower, lunar crater, orbiter, neutron star, cosmic radiation, crater, planetoid, quadrantid, orbit, occultation, orbital velocity, jovian, hypervelocity, cosmic rays, mesosphere, airglow, exosphere, sundog, ionosphere, moonlet, iapetus, gamma rays, gravitational interaction, ballistic trajectory, auroral, phaethon, spherules, epsilon aurigae, micrometeorites, perihelion, photosphere, hadrons, antineutrinos, baryon, supernova, subatomic particle, neutrino, zodiacal light, cherenkov radiation, tunguska, phobos, antiparticle, novas, cassini, magnetic monopole, retroreflector, heliopause, cosmic dust, saturnian, sunspot, pions, attosecond, heliosphere, andromeda galaxy, quasar, extraterrestrial object, gravitons, coronagraph, themis, tropopause, eclipsing binary, planetary nebula, interstellar medium, astronomers, contrail, hydrosphere, corot, cumulus cloud, infrared radiation, syrtis major, nucleosynthesis, perigee, radial velocity, cosmic microwave background, gluon, magnetopause, huygens, noctilucent, arcsecond, gravitational attraction, antiproton, abiogenesis, geosynchronous, axion, radiative, muon, particles, coriolis effect,