Proxima Centauri is a small, low-mass star located 4.2465 light-years (1.3020 pc) away from the Sun in the southern constellation of Centaurus. Its Latin name means the 'nearest … See more

Because of its low mass, the interior of the star is completely convective, causing energy to be transferred to the exterior by the physical … See more

A red dwarf with the mass of Proxima Centauri will remain on the main sequence for about four trillion years. As the proportion of … See more

As of 2022, three planets (two confirmed and one candidate) have been detected in orbit around Proxima Centauri, with one being among the … See more

Proxima Centauri is a red dwarf, because it belongs to the main sequence on the Hertzsprung–Russell diagram and is of spectral class M5.5. The M5.5 class means that it falls in the low-mass end of M-type dwarf stars, with its hue shifted toward red-yellow … See more

Based on a parallax of 768.0665±0.0499 mas, published in 2020 in Gaia Data Release 3, Proxima Centauri is 4.2465 light-years See more

In 1915, the Scottish astronomer Robert Innes, director of the Union Observatory in Johannesburg, South Africa, discovered a star that had the same See more