Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and …

Jan 7, 2026 · Alpha Centauri, triple star system that contains Proxima Centauri, the closest star to the Sun, about 4.2 light-years distant. The system is the third brightest star in the sky. The nearest …

Jun 13, 2023 · At 4.3 light-years away, Alpha Centauri A and B are the nearest Sun-like stars to our solar system. They orbit with Proxima Centauri as a triple star system.

Mar 5, 2023 · Alpha Centauri is the closest star system to Earth and is made up of three stars and several exoplanets. We explore our stellar neighbors in more detail here.

Apr 16, 2025 · Ancient Egyptians revered Alpha Centauri, and may have built temples aligned to its rising point. In southern China, it was part of a star group known as the South Gate.

Sep 9, 2025 · Alpha Centauri (α Cen) is a triple star system located 4.344 light-years away in the constellation Centaurus. It is the nearest star system to the Sun and the third brightest stellar point of …

Aug 8, 2025 · It consists of Alpha Centauri A and Alpha Centauri B, two Sun-like stars that form a binary pair, and the more distant and faint red dwarf star, Proxima Centauri.

The stars of this star system are Rigil Kentaurus (Alpha Centauri A), Toliman (Alpha Centauri B), and Proxima Centauri (Alpha Centauri C). Rigil Kentaurus and Toliman make up a binary system that …

Aug 30, 2023 · The Alpha Centauri system consists of three stars: Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Alpha Centauri A and B are binary stars, meaning they orbit around a …

Jun 6, 2018 · Alpha Centauri is a triple star system located just over four light years, or about 25 trillion miles, from Earth. While this is a large distance in terrestrial terms, it is three times closer than the …