"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
: 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 has about 12.5% of the Sun's mass and 14% of its diameter.
: M-type red dwarf and a "flare star," prone to sudden, violent increases in brightness due to magnetic activity.
