temperature of betelgeuse
Temperature: Star: Color: 30,000K: Delta Orionis: Blue-UV: 20,000K: Rigel: Blue-UV: 10,000K: Sirius: Blue-White: 7000K: Canopus: Yellow-white: 6000K: Sun: Yellow-white: 4000K: Arcturus: Peach: 3000K: Betelgeuse: Red