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.
Rigel is brighter.
Rigel is not a constellation.
rigel and spica are two stars
The coordinates of Rigel are
Hydrogen and Helium gases make up the universe.
no - gases are few in number - metals make up most of the periodic table
nitrogen
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.
atmosphere
i need an answer
Oxygen
Rigel is brighter.
Rigel is not a constellation.
water vapor is different from other gases that make up air because it condenses out of air that has cooled
Oxygen and nitrogen are the two most abundant gases in the atmosphere. They make up 99% of the air.
Rigel