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 …

Jul 6, 2014 · Alpha Centauri is the nearest star system to the Sun, located at a distance of only 4.37 light years or 1.34 parsecs from Earth. It is the brightest star in Centaurus constellation and the third …

Apr 16, 2025 · Alpha Centauri is the 3rd-brightest star in our night sky – technically a trio of stars – and the nearest star system to our sun. In fact, through a small telescope, the single star we see as...

Jan 7, 2026 · Alpha Centauri lies in the southern constellation Centaurus and can be seen only from south of about 40° north latitude. In 2016 the International Astronomical Union designated Alpha …

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 …

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.

Bearing the “alpha designation,” Alpha Centauri is the brightest star in the southern constellation of Centaurus. It shines with an apparent magnitude of -0.27. The Alpha Centauri star system is the third …

Viewed from near the Alpha Centauri system, the sky (other than the Alpha Centauri stars) would appear very much as it does to observers on Earth, with most of the constellations such as Ursa …

Alpha Centauri A, also known as Rigil Kentaurus, is the brightest star in the constellation of Centaurus and is the fourth brightest star in the night sky. Sirius is the brightest even though it is more than …

α Centauri (Latinised to Alpha Centauri) is the system's designation given by J. Bayer in 1603. It belongs to the constellation Centaurus, named after the part human, part horse creature in Greek mythology; …