sgr Definition

clk, ims, rms, radio galaxy, magnetar, pulsar, grb, quasar, planetary nebula, crab nebula, supernova, neutron star, redshift, cepheid variable, binary star, andromeda galaxy, large magellanic cloud, proxima centauri, oort cloud, radio astronomer, cme, collapsar, psr, lacertid, binary system, spiral galaxy, minor planet, cosmic background radiation, hubble law, gravitational interaction, small magellanic cloud, spiral nebula, white dwarf, magellanic cloud, solar flare, gamma ray, big bang, hubble, antineutron, alpha ray, comet, major planet, coronagraph, astrobleme, agn, luminosity, muonium, summer triangle, antibaryon, visual binary, extraterrestrial object, mu meson, zodiacal light, terrestrial planet, antares, absolute magnitude, bolide, evection, giant planet, solar prominence, astronomer, copernican system, multiple star, betelgeuse, milky way galaxy, alpha centauri, amt, asteroid, ghs, gravitational collapse, lambda particle, andromeda, giant star, antiproton, proton, hubble constant, cometographer, cepheid, baryonic, extragalactic, gauge boson, prutenic, astronomical, cometology, telespectroscope, cometarium, apojove, vlf, supergiant, neutron, galactic, gravitational force, tauon, lunar crater, gcr, orbitar, planetoid, mesoseme, eradiation, protogalaxy,