“pillars • Andromeda • Associated • Birth • Black • Cat • Causes • Colors • Constellation • Cosmic • Crab • Creation” • Dark • Dust • Emission • Eye • Famous • Forces • Gas • Gravitational • Hole • Horsehead • Illuminated • Illumination • Ionization • Known • Massive • Most • Name • Nearby • Nebula • Nebulae • Often • Planets • Presence • Remnants • Ring • Rocky • Rosette • Seen • Sombrero • Spacecraft • Stars • Supernova • Tarantula • Type • Vast • Vibrant • Which • Whirlpool