astronomical object
physical body of astronomically-significant size, mass, or role, naturally occurring in a universe
quasi-Hilda comet
type of Jupiter-family comet
II Lupi
star in the constellation Lupus
Reynolds Layer
layer of ionised hydrogen gas in the plane of the Milky Way
Eris
dwarf planet in the Solar System
reflection nebula
nebulosity in astronomy
accretion disc
structure formed by diffuse material in orbital motion around a massive central body
Pillars of Creation
astrophotograph by the Hubble Space Telescope
Central Molecular Zone
astronomical object in the constellation Sagittarius
Dark Doodad Nebula
Nebula in the constellation Musca
cold molecular pillar
type of interstellar matter formations found in molecular clouds
extrasolar object
object that exists outside the Solar System
asterism
pattern of stars recognized on Earth's night sky
cosmic dust
dust floating in space
Saturn's hexagon
persistent hexagonal cloud pattern around the north pole of the planet Saturn
fixed star
astronomical bodies that appear not to move relative to each other in the night sky
rubble pile
celestial body that is not a monolith
astrophysical plasma
astronomical object
galaxy filament
thread-like structures that form the boundaries between large voids in the universe
massive compact halo object
astronomical body that might explain the apparent presence of dark matter in galaxy halos; body composed of normal baryonic matter that emits little or no radiation and drifts through interstellar space unassociated with any planetary system
astronomical radio source
object in outer space that emits strong radio waves