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Hertzsprung russell diagrams

prefLabel	Hertzsprung Russell diagrams
altLabel	Color-color diagrams of stars Color-magnitude diagrams of stars H-R diagrams HR diagram HRD Hertzsprung-Russell diagram Hertzsprung-Russell diagrams Hertzsprung/Russell diagrams Hertzsprung–Russell diagram
related	Stellar physics Main sequence stars Zero-age main sequence stars Zero-age horizontal branch stars
narrower	Post-asymptotic giant branch Giant branches Hertzsprung gap Instability strip Blue loop Turnoff point
inScheme	The Unified Astronomy Thesaurus
broader	Classification systems