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It is hard to know for sure, but it is estimated to be about 240 million miles wide. If it was where our sun is, it would be big enough to extend beyond the planet Mars.

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16y ago

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Is Betelgeuse a pulsating star?

Yes: Betelgeuse is a semiregular variable star so it is classed as a pulsating star.


Is Betelgeuse a yellow star?

No, Betelgeuse is a red star.


Is Betelgeuse a binary star?

No. Betelgeuse is a single star.


Is Betelgeuse a giant star?

Yes, Betelgeuse is a giant star located in the constellation of Orion. It is a red supergiant star and one of the largest stars known, with a size estimated to be around 1,000 times larger than our Sun.


What kind of star is Betelgeuse exactly?

The star called Betelgeuse is a red giant. It is about 700 times the size of the sun, and its temperature is lower than that of the sun's, at around 6,000 degrees Fahrenheit.


What class is the star Betelgeuse?

It is a Red Giant.


Is Betelgeuse a star?

Yes. Betelgeuse is a kind of star called a red supergiant.


How are Sirius and betelgeuse unlike?

Sirius and Betelgeuse are both bright stars in the night sky, but they differ in size, color, and temperature. Sirius is a white star, while Betelgeuse is a red supergiant. Betelgeuse is also much larger and cooler than Sirius.


Which star is brighter Aldebaran or Betelgeuse?

Betelgeuse is brighter.


How did Betelgeuse get so big?

Betelgeuse is very big because is formed as a large star, and later it expanded even more as it ages, this creates its current size.


How is the sun compared to the star betelgeuse?

The Sun and Betelgeuse are both stars, but they differ significantly in size and characteristics. Betelgeuse is a red supergiant star located in the constellation of Orion, while the Sun is a yellow dwarf star at the center of our solar system. Betelgeuse is much larger and more luminous than the Sun, with a diameter around 1,000 times that of the Sun. Additionally, Betelgeuse is much closer to the end of its life cycle compared to the Sun.


How big is Betelgeuse compared to 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.