Astronomical object

rubble pile Arp-Madore 2 Arp 297 Central Molecular Zone Mystic Mountain Fleming 1 Stein 2051 ADS 48F Dark Doodad Nebula RSGC1 RSGC3 damped Lyman-alpha system dark star star cold molecular pillar extrasolar object extraterrestrial vortex G 9-38 Pillars of Creation IM Lupi star system meteorite galactic halo protogalaxy Galactic Center of Milky Way wormhole void constellation asterism GW190521 TIC 387196603 TIC 341689253 TIC 69813909 South Pole Wall South Pole Wall Odd radio circle binary system interplanetary dust cloud astrophysical plasma