Betelgeuse during its Great Dimming

Red supergiants represent the most common final stage of the evolution of stars with initial masses between 8 and 30-35 times the mass of the Sun. During this phase of lifetime...红超巨星（Red supergiants）是初始质量介于8倍至30~35倍太阳质量的恒星演化历程中最为普遍的末期演化阶段。在该演化阶段的存续期间……