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the Betelgeuse is colder than the sun

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Eric Sarbu

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5y ago

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Related Questions

Is the sun smaller than Betelgeuse?

Yes, the Sun is much smaller than Betelgeuse.


Which star is bigger sun or Betelgeuse?

Betelgeuse is much bigger than the Sun.


Does Betelgeuse emit more or less infrared radiation than the sun?

It's luminosity is 90,000 - 150,000 times that of the Sun, so it's safe to assume that the total amount of infrared radiation will also be more. Since its temperature is lower than that of the Sun, the percentage of infrared radiation should also be higher.


Why do cool stars have greater luminosity than our sun?

They do not necessarily have greater luminosity, it depends on their size. Betelgeuse is cooler and brighter; a red dwarf is cooler and less bright.


Is the star Betelgeuse hotter than our sun?

No. The sun is actually hotter than Betelgeuse, but much smaller.


Is the sun larger than Betelgeuse?

No. Betelgeuse has 950-1200 times the diameter of the Sun.


Is Betelgeuse warmer than the sun?

No. While Betelgeuse is larger and brighter than the sun, it actually has a lower surface temperature.


Is the Sun hotter than Betelgeuse?

Yeah, the Suns radiant pressure is more increased then Betelgeuse.


How many miles is Betelgeuse larger than the sun?

Betelgeuse is approximately 900 times larger in diameter than the sun, about 1.5 billion kilometers.


Why does Betelgeuse seem smaller than the sun?

Betelgeuse appears smaller than the sun because it is much farther away, by a factor of about 40 million.


Does our sun have a lower absolute magnitude then Betelgeuse?

No, Betelgeuse has a lower absolute magnitude compared to the Sun. Betelgeuse is a red supergiant star with a much larger luminosity, making it appear brighter despite its greater distance from Earth.


Is betelgeuse bigger than the Sun?

Yes, it has a radius about 1000 times the radius of the sun.