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Betelgeuse is bright because it is a huge star known as a red supergiant. If it was where our sun was, it would be big enough to extend out beyond the planet Mars.
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∙ 15y ago
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Why does Rigel shine as bright as Betelgeuse even though Rigel is much smaller than Betelgeuse?
IdkMzhaiwbaksgshs
Who discovered Betelgeuse?
Like most bright stars, humans have been able to see Betelgeuse for as long as humans have been around, so nobody could be said to have discovered it.
Are the only red giant stars Betelgeuse and Aldebaran?
No, there are lots of red giant stars, too many to count. Betelgeuse and Aldebaran just happen to be close to us and bright in the sky, so we see them easily.
Which was discovered first Betelgeuse or Rigel?
Betelgeuse and Rigel are both in the top 10 brightest stars in the sky. They have been seen bright in the sky even since cavemen looked up. So, they were discovered about the same time.
When was Betelgeuse discovered?
Betelgeuse has been bright in the night sky for millions of years. It would have been observed from the earliest days and therefore cannot have a discoverer.
How can Betelgeuse look so bright if it is far away?
It is the brightest type of star, Red Supergiant.
Why can we see betelgeuse so well?
It's very bright.
What does a person from betelgeuse look like?
Betelgeuse is a star, so there is little chance that anyone lives on it.
Why does Rigel shine as bright as Betelgeuse even though Rigel is much smaller than Betelgeuse?
IdkMzhaiwbaksgshs
Who discovered Betelgeuse?
Like most bright stars, humans have been able to see Betelgeuse for as long as humans have been around, so nobody could be said to have discovered it.
Betelgeuse is the brightest star in the constellation Orion However Betelgeuse is a cool red star that is 520 light years from Earth How can Betelgeuse look so bright if it is that far away?
It isn't the brightest star - at least, usually Rigel is brighter. However, Betelgeuse is variable, and can sometimes be brighter than Rigel. Wikipedia lists its luminosity as 105,000 times the luminosity of our Sun; and the distance, as 640 light years. Assuming these numbers, this would make it as bright as a star that is 10.5 times as bright as our Sun, at a distance of only 6.4 light years. In other words, the extreme luminosity compensates for its distance.
Are the only red giant stars Betelgeuse and Aldebaran?
No, there are lots of red giant stars, too many to count. Betelgeuse and Aldebaran just happen to be close to us and bright in the sky, so we see them easily.
Which was discovered first Betelgeuse or Rigel?
Betelgeuse and Rigel are both in the top 10 brightest stars in the sky. They have been seen bright in the sky even since cavemen looked up. So, they were discovered about the same time.
When was Betelgeuse discovered?
Betelgeuse has been bright in the night sky for millions of years. It would have been observed from the earliest days and therefore cannot have a discoverer.
Why is Betelgeuse so luminous?
Betelgeuse is so luminous because it is so large.
How can betelgeuse look sso bright if it is far away and has a cool surface?
Several things to consider:-- Because of its ENORMOUS size. We believe that Betelgeuse is about as largeas the orbits of the Asteroid Belt. So if Betelgeuse sat exactly where the sun sits,then Mercury, Venus, the Earth, and Mars would all be inside of it.-- Because it's so close to us. Betelgeuse is roughly 800 light-years from us. That'san enormous distance, but actually pretty close as stars go.-- Because it's so hot. The surface temperature of Betelgeuse is estimated at 3,600 K,which is roughly 3,325° Celsius and 5,960° Fahrenheit. That's pretty cool for a star,but you still wouldn't want to touch it.
Does Orion have any prominent stars?
Orion is the most prominent constellation in the sky, so it has lots of prominent stars. Two in particular stand out. They are Rigel and Betelgeuse. Rigel is a very bright star in the bottom right corner, the brightest star in Orion. In the top left is Betelgeuse, also very bright but noticeably different in colour to Rigel, as it is a red giant star.
