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 Meteoroids Comets	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 Black holes Magnetars MACHO Novae Pulsars Supernovae	Stellar associations Binary stars visual binaries spectroscopic binaries eclipsing binaries detached binaries semidetached binaries contact binaries Triple stars Star clusters Open clusters Globular clusters Galaxies Active galaxies Blazars Quasars Radio galaxies Seyfert galaxies Starburst galaxies[?] Galaxy clusters	Nebulae Planetary nebulae Bright nebulae[?] Emission nebulae Reflection nebulae Dark nebulae Molecular clouds H II regions