Rigel is actually a triple star system. Rigel A is a blue-white super-giant; the other two are blue-white main sequence stars.
Rigel is not a constellation.
Rigel's temperature is: 11,000 K And the colour is: Blue. To be exact Rigel is a Blue supergiant.
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Rigel is brighter.
rigel and spica are two stars
Rigel is not a constellation.
beacause rigel is a new born star!
Rigel's temperature is: 11,000 K And the colour is: Blue. To be exact Rigel is a Blue supergiant.
Rigel B is also a blue-white star but, unlike Rigel A, it is a main sequence star.
It is blue-white.
Multiple questions. See related questions.
Rigel is Orion's brightest star, appearing in the bottom right of the constellation. At the top left is Betelgeuse, which is also very prominent. It is also noticeably different in color, appearing reddish, compared to Rigel's whitish color.
Rigel is brighter.
Rigel
rigel and spica are two stars
The coordinates of Rigel are
Betelgeuse is much larger than Rigel. Betelgeuse has a radius about 15 times the radius of Rigel, and a volume of about 3500 times Rigel.