The Unified Astronomy Thesaurus

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Comas original
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Comets original
star this property definition The nebulous envelope around the nucleus of a comet, formed when the comet passes close to the Sun.
L galaxies original
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Low surface brightness galaxies original
star this property definition In Morgan's classification, an elongated galaxy of low surface brightness. --Glossary of Astronomy and Astrophysics, J. Hopkins, University of Chicago Press (1976)
Absolute magnitude original
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Magnitude original
Mars original
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Inner planets original
Martian satellites original
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Natural satellites (Solar system) original
Astrophysical fluid dynamics original
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Interdisciplinary astronomy original
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Hydrodynamics original
Internal waves original
Magnetohydrodynamics original
Radiative magnetohydrodynamics original
Mercury (planet) original
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Inner planets original
Meteorites original
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Meteoroids original
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Achondrites original
Aerolites original
Ataxites original
Chondrites original
Iron meteorites original
Micrometeorites original
Tektites original
Meteors original
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Meteoroids original
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Fireballs original
Meteor streams original
Meteor trails original
Astronomical methods original
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Observational astronomy original
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Amateur astronomy original
Astrophotography original
Computational astronomy original
Cosmic ray astronomy original
Gamma-ray astronomy original
Gravitational wave astronomy original
Ground-based astronomy original
Infrared astronomy original
Neutrino astronomy original
Observational cosmology original
Radar astronomy original
Radio astronomy original
Ultraviolet astronomy original
Visible astronomy original
Visual observation original
X-ray astronomy original
Milky Way dark matter halo original
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Milky Way Galaxy physics original
Milky Way disk original
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Milky Way Galaxy physics original
Milky Way dynamics original
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Milky Way Galaxy physics original
Milky Way evolution original
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Milky Way Galaxy physics original
Milky Way formation original
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Milky Way Galaxy physics original
Milky Way Galaxy physics original
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Galaxy physics original
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Milky Way dark matter halo original
Milky Way disk original
Milky Way dynamics original
Milky Way evolution original
Milky Way formation original
Milky Way magnetic fields original
Milky Way mass original
Milky Way rotation original
Milky Way stellar halo original
Galactic abundances original
Galactic anticenter original
Galactic bulge original
Galactic center original
Galactic winds original
Gould Belt original
Milky Way Galaxy fountains original
Solar neighborhood original
Milky Way magnetic fields original
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Milky Way Galaxy physics original
Milky Way mass original
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Milky Way Galaxy physics original
Milky Way rotation original
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Milky Way Galaxy physics original
Milky Way stellar halo original
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Milky Way Galaxy physics original
Moldavites original
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Tektites original
Solar mottles original
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Solar spicules original
Multiple mirror telescopes original
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Optical telescopes original
N-body simulations original
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Astronomical simulations original
Gravitational interaction original
N stars original
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Carbon stars original
Late-type stars original
Natural satellites (Solar system) original
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Solar system original
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Martian satellites original
Neptunian satellites original
Irregular satellites original
Jovian satellites original
Saturnian satellites original
The Moon original
Uranian satellites original
Neptune original
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Outer planets original
Neptunian satellites original
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Natural satellites (Solar system) original
Abundance ratios original
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Chemical abundances original
Neutrino oscillations original
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Nuclear astrophysics original
Particle astrophysics original
O subgiant stars original
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O stars original
Subgiant stars original
O giant stars original
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Giant stars original
O stars original
O supergiant stars original
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Early-type supergiant stars original
O stars original
OB supergiant stars original
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Early-type supergiant stars original
OB stars original
Observatories original
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Astronomical instrumentation original
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Antarctic observatories original
Domes original
Gamma-ray observatories original
Infrared observatories original
Optical observatories original
Radio observatories original
Solar observatories original
Space observatories original
Ultraviolet observatories original
Virtual observatories original
X-ray observatories original
Oe stars original
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Early-type emission stars original
O stars original
Oef stars original
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Early-type emission stars original
O stars original
Overabundances original
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Chemical abundances original
Chemically peculiar giant stars original
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Chemically peculiar stars original
Giant stars original
Peculiar variable stars original
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Chemically peculiar stars original
Variable stars original
Periodic variable stars original
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Variable stars original
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Long period variable stars original
Multi-periodic variable stars original
Short period variable stars original
Stellar photospheres original
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Stellar atmospheres original
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Stellar faculae original
Stellar granules original
Planetary atmospheres original
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Planetary science original
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Atmospheric tides original
Earth atmosphere original
Planetary boundary layers original
Scale height original
Stratopause original
Upper atmosphere original
Water vapor original
B subgiant stars original
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B stars original
Subgiant stars original
Planetary rings original
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Solar system original
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Ansae original
Planetary ring divisions original
Shepherd satellites original
Spokes original
Planetary structure original
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Planetary science original
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Hydrosphere original
Lithosphere original
Mantle original
Oblateness original
Planetary cores original
Planetary interior original
Planetary polar regions original
Plate tectonics original
Polar caps original
Volcanoes original
Solar system planets original
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Solar system original
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Inner planets original
Outer planets original
B giant stars original
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B stars original
Giant stars original
X-ray point sources original
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X-ray sources original
Population I stars original
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Stellar populations original