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Rigel is a B8 class star which means it is very large, very hot and very young by comparison to other stars. It is virtualy impossible to age a specific star. This is usually done by aging star clusters, a much more accurate method. Rigel is estimated as being 17 times as heavy as the sun and through a standard formula should have a main sequence lifetime of 8 million years (very short) which means it is less than 8 million years old. It wasn't there when the dinosaurs were there.
The formula is (mass of earth / mass of other sun)^2.5 * 10 Billion years
The formula isn't perfect - there are other factors but this is a good guess.
What else can I help you with?
Is rigel a triple star binary star or single star?
Rigel is a triple star system.
What constellation is the star Rigel in?
The Rigel star is a star in the Orion constellation. Rigel is the brightest star in the Orion constellation, and it is the seventh brightest star seen in the night's sky.
Why does Rigel star shine as brightly as Betelgeuse star?
It shines as brightly because of the distance it has from earth and it has to do with how old the star is.
What are the colors of Rigel and Betelgeuse?
Rigel is a blue-white star, while Betelgeuse is a red supergiant star.
Is Rigel a young star?
Compared to the sun, yes. It is only around 8 million years old.
Is rigel a triple star binary star or single star?
Rigel is a triple star system.
What constellation is the star Rigel in?
The Rigel star is a star in the Orion constellation. Rigel is the brightest star in the Orion constellation, and it is the seventh brightest star seen in the night's sky.
Why does Rigel star shine as brightly as Betelgeuse star?
It shines as brightly because of the distance it has from earth and it has to do with how old the star is.
Rigel star belongs to what constellatuon?
Rigel is the brightest star in the constellation Orion
What color is rigel b?
Rigel B is also a blue-white star but, unlike Rigel A, it is a main sequence star.
What are the colors of Rigel and Betelgeuse?
Rigel is a blue-white star, while Betelgeuse is a red supergiant star.
Which star out of barnard's star procyon alpha centauri and rigel have the greatest luminosity?
Rigel by far.
Is Rigel your nearest star?
No. Proxima Centauri is the nearest star. Rigel is much further away.
Is Rigel a young star?
Compared to the sun, yes. It is only around 8 million years old.
What is the size of star Rigel Centaurus?
Rigel is in the constellation Orion, not Centaurus. Please check your spelling and, if appropriate, resubmit.
Why is rigel the color white?
beacause rigel is a new born star!
How long is Rigel's day?
Rigel is a star, not a planet, so it does not have a day.
