Alpha Centauri - Wikipedia
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 …
Alpha Centauri | Distance, Planets, & Facts | Britannica
2025年1月17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. …
Alpha Centauri: Facts about the stars next door | Space
2023年3月5日 · 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 …
南门二 - 百度百科
南门二（ Rigil Kent ），即半人马座α星（α Centauri），位于 半人马座 ，是一个 三合星 系统，是距离太阳最近的恒星系统。南门二的总视星等约为-0.27等，南门二A星（即三颗恒星中最亮的 …
Alpha Centauri: A Triple Star System about 4 Light Years from Earth
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 …
NASA SVS | Alpha Centauri Stellar System
2023年6月13日 · 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. Alpha Centauri A is …
APOD: 2025 January 1 – Alpha Centauri: The Closest Star System
The Alpha system is not visible in much of the northern hemisphere. Alpha Centauri A, also known as Rigil Kentaurus, is the brightest star in the constellation of Centaurus and is the …
Alpha Centauri: Star System, Distance, Planets, Location ... - Star …
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 …
Centaurus - Wikipedia
Alpha Centauri is a triple star system composed of a binary system orbited by Proxima Centauri, currently the nearest star to the Sun. Traditionally called Rigil Kentaurus (from Arabic رجل …
Rigel Kentaurus (Alpha Centauri): Third-Brightest Star | Space
2016年8月24日 · Rigel Kentaurus is the third-brightest star in the night sky. However, its brightness is due to the proximity of the system — commonly known as Alpha Centauri — …