The Unified Astronomy Thesaurus

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Cosmological models original
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Cosmology original
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Closed universe original
Dirac cosmology original
Einstein universe original
Expanding universe original
Friedmann universe original
Gödel universe original
Inflationary universe original
Lemaitre universe original
Newtonian cosmology original
Open universe original
Oscillating universe original
de Sitter universe original
Main sequence stars original
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Stellar evolutionary types original
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Zero-age main sequence stars original
Horizontal branch stars original
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Stellar evolutionary types original
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Extreme horizontal branch stars original
Zero-age horizontal branch stars original
White dwarf stars original
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Stellar evolutionary types original
Compact objects original
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DA stars original
DB stars original
DC stars original
DO stars original
DQ stars original
DZ stars original
ZZ Ceti stars original
Emission line stars original
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Stellar types original
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T Tauri stars original
Be stars original
Early-type emission stars original
FU Orionis stars original
Flash stars original
Gamma Cassiopeiae stars original
H-alpha stars original
Luminous blue variable stars original
Me stars original
Mira variable stars original
S Doradus stars original
Symbiotic binary stars original
X-ray stars original
Z Andromedae stars original
Protostars original
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Interstellar medium original
Stellar types original
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Bok globules original
Cocoon stars original
Cometary nebulae original
Protoplanetary disks original
Young stellar objects original
Star clusters original
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Stellar astronomy original
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Globular star clusters original
Moving clusters original
Open star clusters original
Protoclusters original
Stellar associations original
Young massive clusters original
Stellar evolutionary types original
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Stellar types original
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Main sequence stars original
White dwarf stars original
Dwarf stars original
Evolved stars original
Horizontal branch stars original
Asymptotic giant branch stars original
Blue straggler stars original
Brown dwarfs original
Pre-main sequence stars original
Subdwarf stars original
Yellow straggler stars original
Astrometry original
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Astronomical techniques original
Exoplanet detection methods original
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Astronomical coordinate systems original
Astronomical location original
Baade-Wesselink method original
Bolometric correction original
Brightness temperature original
Distance measure original
Effective temperature original
Equator position original
Fundamental parameters of stars original
Magnitude original
Parallax original
Phase angle original
Phase defect original
Phase effect original
Phase error original
Photographic astrometry original
Radial velocity original
Radio astrometry original
Relativistic aberration original
Relaxation time original
Sky noise original
Solar constant original
Space astrometry original
Spectral index original
Standard stars original
Stellar distance original
Syzygy original
Two-color diagrams original
Wolf diagram original
Sunspots original
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Solar active regions original
Solar physics original
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Delta sunspots original
Ephemeral active regions original
Maunder minimum original
Sunspot flow original
Sunspot groups original
Sunspot number original
Wilson effect original
Telescopes original
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Astronomical instrumentation original
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Automated telescopes original
Gamma-ray telescopes original
Grazing incidence telescopes original
Ground telescopes original
Meridian circles original
Neutrino telescopes original
Optical telescopes original
Radio telescopes original
Solar telescopes original
Space telescopes original
Telescope mounts original
Wide-field telescopes original
T Tauri stars original
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Emission line stars original
Irregular variable stars original
Young stellar objects original
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Classical T Tauri stars original
Weak-line T Tauri stars original
Gravitational lensing original
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General relativity original
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Caustic crossing original
Einstein rings original
Gravitational lensing shear original
Gravitational microlensing original
Strong gravitational lensing original
Weak gravitational lensing original
Photometry original
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Astronomical techniques original
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CCD photometry original
Galaxy photometry original
Light curves original
Photoelectric photometry original
Photographic photometry original
Photometric standard stars original
Photometric systems original
Spectrophotometry original
Stellar photometry original
Surface photometry original
Transit photometry original
Two-color diagrams original
Waveband photometry original
Astrophysical masers original
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Extragalactic astronomy original
Interstellar medium original
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Hydroxyl masers original
Megamasers original
Silicon monoxide masers original
Water masers original
Flare stars original
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Eruptive variable stars original
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FU Orionis stars original
R Coronae Borealis variable stars original
RS Canum Venaticorum variable stars original
Red dwarf flare stars original
UV Ceti stars original
Hertzsprung Russell diagram original
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Stellar evolutionary models original
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Asymptotic giant branch original
Blue loop original
Giant branch original
Hertzsprung gap original
Horizontal branch original
Instability strip original
Main sequence original
Post-asymptotic giant branch original
Pre-main sequence original
Turnoff point original
Kuiper belt original
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Solar system original
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Trans-Neptunian objects original
Dwarf stars original
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Stellar evolutionary types original
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A dwarf stars original
B dwarf stars original
F dwarf stars original
G dwarf stars original
K dwarf stars original
M dwarf stars original
O dwarf stars original
T dwarfs original
Solar granulation original
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Solar physics original
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Mesogranulation original
Supergranulation original
Evolved stars original
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Stellar evolutionary types original
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Giant stars original
Hypergiant stars original
Subgiant stars original
Supergiant stars original
Stellar physics original
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Stellar astronomy original
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Star formation original
Starspots original
Stellar abundances original
Stellar atmospheres original
Stellar dynamics original
Stellar evolution original
Stellar granulation original
Stellar phenomena original
Stellar processes original
Stellar properties original
Stellar structures original
Stellar winds original
Astronomical models original
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Analytical mathematics original
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Burkert profile original
Gas-to-dust ratio original
Mass-to-light ratio original
Oort constants original
Star counts original
Polarimetry original
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Astronomical techniques original
Exoplanet detection methods original
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Spectropolarimetry original
Solar filaments original
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Solar activity original
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Quiescent solar prominence original
Solar active region filaments original
Solar filament eruptions original