Gliese 581 c

Gliese 581 c /ˈɡliːzə/ or Gl 581 c is a planet orbiting the red dwarf Gliese 581. It is the second planet discovered in the system and the third in order from the star. With a mass at least 5.5 times that of the Earth, it is classified as a super-Earth (a category of planets from 5 to 10 Earth masses).

Gliese 581 c

Gliese 581 c /ˈɡliːzə/ or Gl 581 c is a planet orbiting the red dwarf Gliese 581. It is the second planet discovered in the system and the third in order from the star. With a mass at least 5.5 times that of the Earth, it is classified as a super-Earth (a category of planets from 5 to 10 Earth masses).