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Rigel, has a surface temperature of 12100 K, approx 3.1 times as hot as Aldebaran (3910 K).

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Which is hotter rigel or aldebaran?

your mom is hotter than all the stars combined!


Which star is hotter Rigel (a Supergiant) or Aldebaran (a Giant)?

Rigel is hotter than Aldebaran. Rigel, a blue supergiant, has a surface temperature of about 11,000 K, while Aldebaran, a red giant, has a surface temperature of around 4,000 K. The difference in their temperatures is due to their spectral classifications, with blue stars being significantly hotter than red stars. Thus, Rigel is the hotter of the two.


Is Rigel bigger than Aldebaran?

Rigel: 71 solar radiiAldebaran: 44.2 solar radii.So Rigel is almost twice the size of Aldebaran.See related link for a pictorial of the difference (Section 5).


Is Betelgeuse hotter than Rigel?

No, Rigel is hotter than Betelgeuse. Rigel is a blue supergiant star with a surface temperature of around 12,000 Kelvin, while Betelgeuse is a red supergiant with a surface temperature of around 3,500 Kelvin.


Is the Sun cooler then Rigel?

No, Rigel is hotter than the Sun. Rigel is a blue supergiant star with a surface temperature that is much hotter than the Sun.


Is Vega Hotter the Rigel?

Yes, Vega is hotter than Rigel. Vega is a main sequence star with a surface temperature of around 9600 K, while Rigel is a supergiant star with a surface temperature of around 12,100 K.


Is Rigel brighter than Aldebaran?

yes


Is aldebaran hotter brighter or both than Sirius?

Aldebaran is both hotter and brighter than Sirius. Aldebaran, a K-type giant star, has a surface temperature of about 4,000 K and a luminosity approximately 440 times that of the Sun. In contrast, Sirius, an A-type main-sequence star, has a surface temperature of around 9,900 K but is less luminous than Aldebaran, at about 25 times the Sun's luminosity. Therefore, while Sirius is hotter, Aldebaran outshines it in brightness.


How can you tell if Rigel or Betelgeuse is hotter?

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).


Is procycon hotter than rigel?

Procyon is not hotter than Rigel. Procyon, a main-sequence star, has an effective temperature of about 6,500 Kelvin, whereas Rigel, a blue supergiant, has an effective temperature of approximately 11,000 Kelvin. This makes Rigel significantly hotter than Procyon. Additionally, Rigel's higher temperature contributes to its blue color, while Procyon has a yellowish hue.


Is Rigel brighter than the Sun?

no you are stupid if you are answering this


Why does Rigel shine as bright as Betelgeuse even though Rigel is much smaller than Betelgeuse?

Rigel appears as bright as Betelgeuse because it is hotter and more luminous, even though it is smaller. The luminosity of a star depends on both its temperature and size, so a hotter, more luminous star can shine as brightly as a larger, cooler star.