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astronomical object type
Instances
Cepheid variable
? TBD
Type of variable star that pulsates radially
Moons of Pluto
? TBD
Natural satellites orbiting Pluto
Red giant
? TBD
Type of large cool star
Impact crater
? TBD
Circular depression in a solid astronomical body formed by the impact of a smaller object
Globular cluster
? TBD
Spherical collection of stars
Classical Kuiper belt object
? TBD
Kuiper belt object, not controlled by an orbital resonance with Neptune
Irregular moon
? TBD
Captured satellite following an irregular orbit
Magnetar
? TBD
Type of neutron star with a strong magnetic field
Radio galaxy
? TBD
Type of active galaxy that is very luminous at radio wavelengths
Active galactic nucleus
? TBD
Compact region at a galaxy's center with abnormally high luminosity
Astronomical radio source
? TBD
Object in outer space which strongly emits radio waves
Interacting galaxy
? TBD
Galaxies with interacting gravitational fields
interacting galaxies
? TBD
two or more interacting galaxies
White dwarf
? TBD
Stellar core remnant
high proper-motion star
? TBD
total proper motion >= 50 mas/yr
Kuiper belt object
? TBD
type of astronomical object
compact group of galaxies
? TBD
astronomical object type
Cosmic dust
? TBD
Dust floating in space
Super-Earth
? TBD
Type of exoplanet
blackhole candidate
? TBD
Sub-Neptune
? TBD
Planet with a radius or mass smaller than Neptune
Stellar pulsation
? TBD
Fluctuations in stellar radius
Quasar
? TBD
Active galactic nucleus (AGN) containing a supermassive black hole
Dark nebula
? TBD
Type of interstellar cloud that obscures visible light