Rigel: 12100 K.Sun: 5778 K.
Rigel is a blue-white star, while Betelgeuse is a red supergiant star.
Rigel is brighter than Betelgeuse. Rigel is a blue supergiant star and one of the brightest stars in the night sky, while Betelgeuse is a red supergiant and although it is one of the largest stars known, it is not as bright as Rigel.
Betelgeuse is larger in size than Rigel. Betelgeuse is a red supergiant star with a diameter about 800 times that of the Sun, while Rigel is a blue supergiant star with a diameter about 70 times that of the Sun.
Rigel is 860 +/- 80 ly away.
Rigel is a blue supergiant star with a surface temperature of around 12,100 Kelvin. It emits most strongly in the ultraviolet part of the spectrum at around 200 nanometers due to its high temperature.
Rigel is pronounced as "RYE-jell".
Rigel
You can tell if Rigel or Betelgeuse is hotter based on their color. Rigel appears blue-white, indicating a hotter temperature, while Betelgeuse appears orange-red, suggesting a cooler temperature. Additionally, the spectral class of Rigel (B8Ia) is hotter than Betelgeuse's spectral class (M1-2Ia).
Rigel is not in the solar system.
Rigel A is a blue-white super-giant.
Rigel has a luminosity of 117,490 solar luminosities.
Rigel's Revenge happened in 1987.
Rigel's Revenge was created in 1987.
Invaders from Rigel was created in 1960.
Rescue at Rigel happened in 1980.
Rescue at Rigel was created in 1980.