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Very!! It is about 66,000 times more luminous than our Sun
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∙ 14y ago
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Is rigel a dwarf star?
No Rigel is a huge, blue supergiant of spectral class B8 Ia, Rigel has an intrinsic brightness about 40,000 times as luminous as that of the sun.
Is rigel a white dwarf?
Far from it. Rigel is a type B star which means it is very luminous whereas white dwarfs are the remains of stars that have ended their lives.
How can a cool star be more luminous than a hot star?
Luminosity is related to temperature and distance.A cool and thus less luminous star would be brighter than a more luminous star at a greater distance.Our Sun is a relatively cool star in comparison to say Rigel, but because it is closer it appears more luminous and brighter.
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.
Is rigel a dwarf star?
No Rigel is a huge, blue supergiant of spectral class B8 Ia, Rigel has an intrinsic brightness about 40,000 times as luminous as that of the sun.
Is rigel a white dwarf?
Far from it. Rigel is a type B star which means it is very luminous whereas white dwarfs are the remains of stars that have ended their lives.
How can a cool star be more luminous than a hot star?
Luminosity is related to temperature and distance.A cool and thus less luminous star would be brighter than a more luminous star at a greater distance.Our Sun is a relatively cool star in comparison to say Rigel, but because it is closer it appears more luminous and brighter.
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.
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.
Is Rigel your nearest star?
No. Proxima Centauri is the nearest star. Rigel is much further away.
Which star out of barnard's star procyon alpha centauri and rigel have the greatest luminosity?
Rigel by far.
Which star has the less absolute magnitude rigel or Sirius?
Sirius has less absolute magnitude than Rigel. Sirius is smaller and less luminous than Rigel, but much closer to us, so Sirius appears brighter. Sirius, in fact, is the brightest star in our sky (with the exception of our own star, the sun.) Rigel is still pretty bright, but many times farther away from us than Sirius.
What does rigel have brighter then Sirius?
I'm not sure exactly what detail you want, but here's a start. Rigel is a triple star system. The main star of the three is a very luminous star. It is a blue supergiant star.
What is the size of star Rigel Centaurus?
Rigel is in the constellation Orion, not Centaurus. Please check your spelling and, if appropriate, resubmit.
