Proxima Guide

"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

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 Proxima

: M-type red dwarf and a "flare star," prone to sudden, violent increases in brightness due to magnetic activity. "Proxima" most commonly refers to , the closest

: It is extremely faint, with only 0.17% of the Sun's net energy output, making it invisible to the naked eye from Earth. It is part of the Alpha Centauri triple

: 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