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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).
The star Rigel radiates most strongly at about 200 nanometers How hot is it?
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.
The surface temperature of the star Rigel is about 15000celiusThe sun has a temperature of about 6000celius Why does the sun appear so much brighter?
The brightness of a star depends not just on its surface temperature, but also on its size and distance from Earth. While Rigel is hotter than the Sun, it is also a much larger and more luminous star. Therefore, even though the Sun is cooler than Rigel, it appears brighter to us because it is much closer and has a larger luminosity due to its size.
What is the size and temperature of rigel?
Rigel is a blue supergiant star with a diameter of about 78.9 million miles (126.5 million kilometers), which is roughly 70 times the size of the Sun. Its surface temperature is around 12,100 Kelvin, making it one of the hottest stars visible to the naked eye.
Which star is cooler Rigel or Mira and why?
mira
What is temperature of rigel and sun?
Rigel: 12100 K.Sun: 5778 K.
What is the color and temperature of the rigel?
Rigel's temperature is: 11,000 K And the colour is: Blue. To be exact Rigel is a Blue supergiant.
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 Rigel temperature higher than the sun?
Yes. Rigel's effective temperature is 12100 K compared to the Sun's 5778 K.
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.
What star is cooler rigel or mira?
Mira (Omicron Ceti) is cooler than Rigel. Mira has an effective temperature of about 2,500 to 3,000 Kelvin, while Rigel, a blue supergiant, has an effective temperature of approximately 11,000 Kelvin. Therefore, Mira is significantly cooler than Rigel.
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 cooler than the sun?
No. Rigel's effective temperature is 12100 K compared to the Sun's 5778 K.
Is the temperature of rigel higher than the sun?
Yes.
What tempareture is Rigel?
Its effective temperature is 12100 K.
Does Rigel have a higher luminosity and a lower temperature the the sun?
No.
What is the temprature of rigel?
The effective temperature is 12100 K.
