There are no known individual authors of the original star names, most all of which are in early prehistoric Arabic. Even these names have been passed down.
The largest portion of the star names were passed down from a period preceding Greek, Latin and in most cases even Egyptian.
It is believed that a lot of these names originated during or before Sumerian astronomy.
And as you know, Sumer was "...a historical region located in what is now Southern Iraq (Mesopotamia) and Southwestern Iran, known as the Cradle of civilization..."
also it is one of the brightest stars on planet earth!!!!
Rigel is a star, not a planet. It is not certain who actually named it. Many cultures have other names for it.
The ancient Arabs.
Rigel is hot by "normal" stars but it is not the hottest, this distinction goes to a star named Cygnus OB2-12. See related questions.
Rigel is a triple star system.
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.
We haven't detected any that I'm aware of.
Rigel is the brightest star in the constellation Orion
Rigel B is also a blue-white star but, unlike Rigel A, it is a main sequence star.
No. Proxima Centauri is the nearest star. Rigel is much further away.
Rigel by far.
Rigel is in the constellation Orion, not Centaurus. Please check your spelling and, if appropriate, resubmit.
Rigel is a star, not a planet, so it does not have a day.