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Astronomy · L5 · Hertzsprung–Russell Diagram: Stellar Populations

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H–R diagram showing main sequence, red giants, supergiants, and white dwarfs by temperature and luminosity.

by @openstemUpdated Astronomy
O-type starsT > 30,000 KVery luminous blue starsB-type stars10,000–30,000 KBlue-white, short-livedA-type stars7,500–10,000 KWhite (Sirius, Vega)F-type stars6,000–7,500 KYellow-white (Procyon)G-type stars5,200–6,000 KYellow (Sun)K-type stars3,700–5,200 KOrange (Arcturus)M-type stars< 3,700 KRed dwarfs, longest-livedRed GiantsLow T, high LH-shell burningSupergiantsHighest luminosityMassive, short-livedWhite DwarfsHigh T, very low LElectron-degenerate coresPost-main-sequence (< 8 M☉)Post-main-sequence (> 8 M☉)Planetary nebula

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