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Betelgeuse

Betelgeuse is part of the Orion constellation. It is the eighth brightest star in our sky.

317 Questions

Why does a cool distant super giant star such as Betelgeuse have such a high apparent magnitude?

Despite its distance and size, Betelgeuse has a high apparent magnitude because of its immense luminosity. It is a massive and highly luminous red supergiant star, shining brightly due to its large surface area and energy output. This makes it appear bright in our sky despite being relatively far away.

How long does it take Betelgeuse to revolve once?

Betelgeuse does not actually rotate like a solid body, as it is a supergiant star with an irregular shape due to its strong pulsations. It is estimated that Betelgeuse has a rotation period anywhere from tens to hundreds of years.

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.

Which constellation is betelgeuse part of?

Betelgeuse is part of the constellation Orion. It is one of the brightest stars in the night sky and is located in Orion's shoulder.

Can you see Betelgeuse?

Yes. It's very prominent ... one of the brightest and reddest visible stars.

Learn to identify the constellation of Orion. Betelgeuse marks the hunter's

"right shoulder".

See related link for a star map.

Is Betelgeuse a supergiant?

Yes, Betelgeuse is a red supergiant star located in the constellation of Orion. It is one of the largest known stars in the universe and is nearing the end of its life cycle.

How much does betelgeuse weigh?

It's around 20 times heavier than our Sun.

When was the last time we saw Betelgeuse?

As of 2021, Betelgeuse, a red supergiant star in the constellation of Orion, can be seen in the winter night sky in the Northern Hemisphere. It was most recently visible in the night sky in the late months of 2020.

Is betelgeuse the farthest star from earth?

Betelgeuse is not the farthest star from Earth. It is a red supergiant star located in the constellation of Orion, approximately 642.5 light years away from us. There are other stars much farther away from Earth in our galaxy.

Is Betelgeuse going to destroy earth?

No. Some time in the next million years Betelgeuse will explode as a supernova, but it is too far away from us to damage the earth. All we will see is Betelgeuse getting a lot brighter in the night sky.

If you say Betelgeuse three times in a dark hallway what will happen?

In the movie "Beetlejuice," saying his name three times summons him to the location where he was called. Therefore, if you say Betelgeuse three times in a dark hallway, this action could potentially summon him to that location, leading to unpredictable consequences.

What is the volume of Betelgeuse?

Betelgeuse, a red supergiant star, is so large that if it were placed at the center of our solar system, its surface would extend beyond the orbit of Jupiter. However, as a gaseous object, Betelgeuse does not have a distinct volume like a solid object would.

What is the circumference of Betelgeuse?

Betelgeuse is a red supergiant star, and as such, it does not have a defined circumference like a solid object. Its size is measured in terms of solar radii, with Betelgeuse being approximately 1,000 times larger than the Sun.

Is Betelgeuse a red supergiant?

Yes, Betelgeuse is a red supergiant star located in the constellation of Orion. It is one of the largest and brightest stars in the sky.

What are facts about Betelgeuse?

Betelgeuse is the eighth brightest star in the night sky and the second brightest star in the constellation of Orin. It is classified as a Red Giant. Astronomers believe that Betelgeuse is only 10 million years old, but has evolved rapidly due to its high mass. Betelgeuse is made from: Helium, Carbon, and Oxygen. Astronomers don't know when but they are sure that Betelgeuse will explode and become a SuperNova. Betelgeuse is 700 million miles in diameter and the surface temperature is 6,000 degrees Fahrenheit. Its luminosity is about 10,000 times the Sun and it's the first star to be directly imaged by a telescope. Finally Betelgeuse is visible in winter skies from the Northern Hemisphere in the constellation Orion.

Hope that Helped You :)

Why is Rigel hotter than Betelgeuse?

Quite simply because Rigel is still on the main sequence whereas Betelgeuse has come off the main sequence and is only fusing helium in it's core, whereas Rigel is still fusing hydrogen in it's core.

This is the reason for the difference in temperature.

How do you pronounce Betelgeuse?

I've heard it pronounced two ways:

1. Beetle-jooz (as in the movie character)

2. BATL-geez (with a long flat a, as in "wade")

It is pronounced ba tle guese

Is Betelgeuse a constellation?

No, Betelgeuse is not a constellation. It is actually a red supergiant star located in the constellation of Orion. A constellation is a group or pattern of stars in the sky, while Betelgeuse is a single star within the Orion constellation.

What does the red color of Betelgeuse mean?

The red color of Betelgeuse is due to its relatively low surface temperature compared to other stars, causing it to emit more red and orange light. This cooler temperature indicates that Betelgeuse is nearing the end of its life cycle and will eventually explode as a supernova.

Is Betelgeuse a quasar?

No, Betelgeuse is not a quasar. Betelgeuse is a red supergiant star located in the constellation of Orion, while a quasar is a highly energetic and distant active galactic nucleus powered by a supermassive black hole at the center of a galaxy.

Is betelgeuse a main sequence star?

No, Betelgeuse is not a main sequence star. It is a red supergiant star, which is a more evolved stage in the life cycle of a star compared to main sequence stars like the Sun. Betelgeuse is near the end of its life and is expected to go supernova in the relatively near future (on astronomical timescales).

Which is older Betelgeuse or Rigel?

Betelgeuse is probably older, but it's hard to give exact ages for stars. Both of them are only a few million years old, much younger than our 4 billion year old sun.

See related questions for more details on the ages of those stars.

Is a betelgeuse star a super giant star?

Yes, Betelgeuse is a supergiant star. It is a red supergiant star located in the constellation of Orion and is one of the largest stars known in our galaxy.

How long would it take to get to betelgeuse in a spaceship?

Traveling to Betelgeuse, which is approximately 642.5 light-years away from Earth, would take a significant amount of time, likely hundreds of thousands of years with current spacecraft technology. The distance is so vast that we don't have the capability to travel there at speeds that would make the voyage feasible in a human timescale.