: It has about 12.5% of the Sun's mass and 14% of its diameter.
As of early 2026, research has identified one confirmed planet and two strong candidates orbiting Proxima Centauri. Proxima Centauri b - NASA Science Proxima
"Proxima" most commonly refers to , the closest known star to our sun, though it is also the name of a leading German fusion energy company . 1. Proxima Centauri: Our Nearest Stellar Neighbor : It has about 12
: M-type red dwarf and a "flare star," prone to sudden, violent increases in brightness due to magnetic activity. : Its surface temperature is about 3,000 K,
: It is extremely faint, with only 0.17% of the Sun's net energy output, making it invisible to the naked eye from Earth.
: Its surface temperature is about 3,000 K, much cooler than the Sun’s 5,778 K. 2. The Planetary System