Proxima Centauri is a small, dim red dwarf star located approximately from Earth in the constellation Centaurus. It is part of the Alpha Centauri triple star system, gravitationally bound to the binary pair Alpha Centauri AB with an orbital period of roughly 550,000 years. Stellar Characteristics
: It is extremely faint, with only 0.17% of the Sun's net energy output, making it invisible to the naked eye from Earth. Proxima
As of early 2026, research has identified one confirmed planet and two strong candidates orbiting Proxima Centauri. Proxima Centauri b - NASA Science Proxima Centauri is a small, dim red dwarf
: Its surface temperature is about 3,000 K, much cooler than the Sun’s 5,778 K. 2. The Planetary System Proxima Centauri is a small