Alpha Centauri - Wikipedia
Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C). [14] Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc).
Alpha Centauri | Distance, Planets, & Facts | Britannica
2024年12月7日 · 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.
Alpha Centauri: Facts about the stars next door | Space
2023年3月5日 · 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.
Hubble’s Best Image of Alpha Centauri A and B - Science@NASA
2016年9月2日 · 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 …
Alpha Centauri - Simple English Wikipedia, the free encyclopedia
Alpha Centauri (also known as Rigil Kentaurus) is the brightest star in the southern Centaurus constellation. [2] It is the fourth brightest star in the night sky, with a magnitude of -0.01. It is visible in the Southern Hemisphere , and is too far south …
Alpha Centauri: Star System, Distance, Planets, Location ...
2020年8月30日 · Alpha Centauri (α Cen) is a triple star system located at a distance of 4.37 light years from Earth in the constellation Centaurus. It is the nearest star system to the Sun and hosts the nearest extrasolar planets to Earth.
Alpha Centauri: A Triple Star System about 4 Light Years from ...
2018年6月6日 · 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.