Astronomical object

Solar system	Extrasolar system
	Simple objects	Compound objects	Extended objects
Sun Planets Mercury Venus Earth Moon Mars Jupiter Saturn Uranus Neptune Pluto Asteroids Asteroid belt Trojan asteroids Meteoroids Trans-Neptunian objects Comets Kuiper Belt Oort Cloud	Exoplanets Stars by spectral type White dwarfs Yellow dwarfs Red dwarfs Brown dwarfs Black dwarfs Red giants Blue giants Red supergiants Variable stars Mira variables Cepheid variables Semiregular variables Irregular variables Eruptive variables Compact stars White dwarfs Neutron stars Magnetars Pulsars Black holes Supermassive black holes Novae Supernovae	Stellar associations Binary stars X-ray burster visual binaries spectroscopic binaries eclipsing binaries detached binaries semidetached binaries contact binaries Triple stars Star clusters Open clusters Globular clusters Constellations Galaxies Active galaxies Blazars Quasars Radio galaxies Seyfert galaxies Starburst galaxies Galaxy clusters Superclusters	Nebulae Planetary nebulae Bright nebulae Emission nebulae Reflection nebulae Dark nebulae Molecular clouds H II regions Cosmic microwave background radiation Dark matter MACHOss WIMPs