The diameter of Rigel Kentaurus, also known as Alpha Centauri, is estimated to be about 1.2 million kilometers. It is a binary star system composed of two stars, Alpha Centauri A and Alpha Centauri B, with Alpha Centauri A being slightly larger and more massive than our Sun.
It is 754.81 milliarcseconds. Also, the star is Rigil Kentaurus, not Rigel which is the name of another star.
Rigel or Beta Orionis is a blue/white supergiant star of spectral type B8lab.
Rigel is imagined to be one of the feet of Orion, the Hunter. That's the origin of its name "Rigel" . . . from the Sumerian/Hebrew/Arabic "regel" meaning 'foot'.
The name Rigel derives from the Arabic Rijl meaning left foot. Since Rigel represents Orion's left foot, the name seemed kind of obvious.
Rigel appears bluish-white in color, while Betelgeuse appears reddish-orange to the human eye.
It is 754.81 milliarcseconds. Also, the star is Rigil Kentaurus, not Rigel which is the name of another star.
Rigel or Beta Orionis is a blue/white supergiant star of spectral type B8lab.
diametre of circle
The diametre of Pluto is 2,320km
The average diametre of the planet Mars is approximately 6,786km.
Diametre is, since diametre = 2*radius
After the sun, the top ten are; 1 Sirius 2 Canopus 3 Arcturus 4 Rigil Kentaurus, Toliman 5 Vega 6 Rigel 7 Procyon 8 Betelgeuse 9 Achernar 10 Agena and Hadar
51,118
Rigel is pronounced as "RYE-jell".
Rigel
pi * diameter
Rigel is not in the solar system.