Rigel has been visible in the night sky for over 8 million years. It would have been seen by the first creatures who looked up into the night sky.
So no one can be said to have discovered Rigel.
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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.
Rigel is brighter.
Rigel is not a constellation.
rigel and spica are two stars
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Rigel is a binary star system. It was discovered by F.G.W. Struve in 1831. It is the third brightest star system in the night sky.
Rigel is a binary star system. It was discovered by F.G.W. Struve in 1831. It is the third brightest star system in the night sky.
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.
Rigel is brighter.
Rigel is not a constellation.
Rigel
rigel and spica are two stars
The coordinates of Rigel are
Rigel is pronounced as "RYE-jell".
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.
Rigel's temperature is: 11,000 K And the colour is: Blue. To be exact Rigel is a Blue supergiant.