: It is extremely faint, with only 0.17% of the Sun's net energy output, making it invisible to the naked eye from Earth.
As of early 2026, research has identified one confirmed planet and two strong candidates orbiting Proxima Centauri. Proxima Centauri b - NASA Science
: It has about 12.5% of the Sun's mass and 14% of its diameter.
: It is extremely faint, with only 0.17% of the Sun's net energy output, making it invisible to the naked eye from Earth.
As of early 2026, research has identified one confirmed planet and two strong candidates orbiting Proxima Centauri. Proxima Centauri b - NASA Science
: It has about 12.5% of the Sun's mass and 14% of its diameter.