The Unified Astronomy Thesaurus

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Cepheid variable stars original
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Pulsating variable stars original
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RV Tauri variable stars original
Beta Cepheid variable stars original
Anomalous Cepheid variable stars original
BL Herculis stars original
Delta Cepheid variable stars original
Double-mode Cepheid variable stars original
W Virginis variable stars original
Young disk Cepheid variable stars original
Quasars original
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Active galactic nuclei original
Supermassive black holes original
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Broad-absorption line quasar original
Double quasars original
Quasar-galaxy pairs original
Radio loud quasars original
Radio quiet quasars original
X-ray quasars original
Cataclysmic variable stars original
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Intrinsic variable stars original
Semi-detached binary stars original
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AM Canum Venaticorum stars original
AM Herculis stars original
Nova-like variable stars original
Novae original
SX Arietis variable stars original
UV Persei stars original
WZ Sagittae stars original
Pulsating variable stars original
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Intrinsic variable stars original
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Beta Cepheid variable stars original
Cepheid variable stars original
53 Persei stars original
Delta Delphini variable stars original
Delta Scuti variable stars original
Double-mode variable stars original
Gamma Doradus variable stars original
Irregular variable stars original
Lambda Eridani stars original
Long period variable stars original
Mira variable stars original
Multi-periodic variable stars original
PV Telescopii variable stars original
RR Lyrae variable stars original
Planetary nebulae original
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Emission nebulae original
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Planetary nebulae nuclei original
Intermediate-type stars original
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Stellar types original
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F stars original
G stars original
Cosmic noise original
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Radio astronomy original
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Cosmic microwave background radiation original
RV Tauri variable stars original
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Cepheid variable stars original
Beta Cepheid variable stars original
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Pulsating variable stars original
Cepheid variable stars original
Early-type variable stars original
Multi-periodic variable stars original
Short period variable stars original
The Sun original
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Solar system original