α Centauri A and B are Sun-like stars (class G and K, respectively) that together form the binary star system α Centauri AB. To the naked eye, these two main components appear to be a single star with an apparent magnitude of −0.27.

6 days ago · 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 extrasolar planets are the three planets that orbit Proxima Centauri.

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 next nearest Sun-like star.

Feb 13, 2025 · New research to be published in the Planetary Science Journal examines how much material from AC could reach our Solar System and how much might already be here. It's titled "A Case Study of Interstellar Material Delivery: Alpha Centauri."

Mar 5, 2023 · Alpha Centauri is a star system with components 4.2 to 4.4 light-years from Earth and comprises three stars. It is the closest star system to the solar system, and one of its stars is the...

Apr 16, 2023 · 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...

Sep 2, 2016 · This NASA/ESA Hubble Space Telescope has given us this stunning view of the bright Alpha Centauri A (on the left) and Alpha Centauri B (on the right), shining like huge cosmic headlamps in the dark. The image was captured by the Wide-Field and Planetary Camera 2 …

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.

Dec 6, 2019 · Alpha Centauri is a triple star system. It is the closest star and planetary system to our Solar System. Key Facts & Summary. Alpha Centauri was discovered in 1915, while it’s only confirmed planet, Proxima Centauri b, was discovered …

Aug 30, 2020 · Alpha Centauri (α Cen) is a triple star system located in the constellation Centaurus. It is the nearest star system to the Sun and the third brightest point of light in the sky outside the solar system, after Sirius and Canopus. It outshines the northern luminaries Arcturus, Vega and Capella.