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astronomical object type
Instances
Interstellar medium
Matter and radiation in the space between the star systems in a galaxy
Delta Scuti variable
Subclass of pulsating star
Red giant
Type of large cool star
Active galactic nucleus
Compact region at a galaxy's center with abnormally high luminosity
possible red giant branch star
astronomical object type
Astrophysical maser
Source of energy spectrum emission
Interacting galaxy
Galaxies with interacting gravitational fields
Impact crater
Circular depression in a solid astronomical body formed by the impact of a smaller object
Kuiper belt object
type of astronomical object
blackhole candidate
Moons of Pluto
Natural satellites orbiting Pluto
Seyfert 2 galaxy
type of galaxy
Exoplanet
Planet outside the Solar System
Open cluster
Type of star cluster
Molecular cloud
Type of interstellar cloud
Stellar pulsation
Fluctuations in stellar radius
Hot Jupiter
High-mass planet orbiting close to a star
Radio galaxy
Type of active galaxy that is very luminous at radio wavelengths
very red source
astronomical object type
Low-ionization nuclear emission-line region
Type of galactic nucleus
gravitational wave event
physical event
Astronomical radio source
Object in outer space which strongly emits radio waves
compact group of galaxies
astronomical object type
red giant branch star
Earth analog
Planet with environment similar to Earth's
interacting galaxies
two or more interacting galaxies
Super star cluster
Type of very massive young open cluster thought to be the precursor of a globular cluster
White dwarf
Stellar core remnant
Quasar
Active galactic nucleus (AGN) containing a supermassive black hole
Binary star
System of two stars orbiting each other