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Proxima Centauri is the nearest star to Earth after the Sun, located 4.25 light-years away in the southern constellation of Centaurus.This object was discovered in 1915 by Robert Innes.
Proxima Centauri b is the closest exoplanet to Earth, [20] at a distance of about 4.2 ly (1.3 parsecs). [5] It orbits Proxima Centauri every 11.186 Earth days at a distance of about 0.049 AU, [1] over 20 times closer to Proxima Centauri than Earth is to the Sun. [21] As of 2021, it is unclear whether it has an eccentricity [e] [24] but Proxima Centauri b is unlikely to have any obliquity. [25]
The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A , which is also the brightest star in Earth's night sky ; its white dwarf companion Sirius B is the hottest object among them.
Proxima Centauri c (also called Proxima c [2] ... It is located approximately 4.2 light-years (1.3 parsecs; 40 trillion kilometres; 25 trillion miles) ...
Proxima Centauri d (also called Proxima d) is a candidate [2] [1] exoplanet orbiting the red dwarf star Proxima Centauri, ... located approximately 4.2 light-years ...
The Alpha Centauri star system is the closest star system to the Sun. List of nearest M-type stars ... Proxima Centauri: 4.24 [1] M5.5Ve [1] 0.1542 ± 0.0045 [2]
Astronomers have found evidence of a third planet around the closest star to the sun, reinforcing the idea that planets are common around the stars of the
The closest exoplanets are those found orbiting the star closest to the Solar System, which is Proxima Centauri 4.25 light-years away. The first confirmed exoplanet discovered in the Proxima Centauri system was Proxima Centauri b, in 2016. HD 219134 (21.6 ly) has six exoplanets, the highest number discovered for any star within this range.