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2 giorni fa · 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). Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc).
16 giu 2024 · Proxima Centauri is a small, low-mass star located 4.2465 light-years (1.3020 pc) away from the Sun in the southern constellation of Centaurus. Its Latin name means the 'nearest [star] of Centaurus'. It was discovered in 1915 by Robert Innes and is the nearest-known star to the Sun.
10 giu 2024 · 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.
- The Editors of Encyclopaedia Britannica
11 giu 2024 · Clark R. Chapman. These are the 26 brightest stars as seen from Earth, listed in descending order of brightness. The list includes each star’s apparent magnitude and constellation (except for the Sun). Astronomical magnitude is on a scale in which smaller magnitudes are brighter than larger.
10 giu 2024 · Beta Centauri, second brightest star (after Alpha Centauri) in the southern constellation Centaurus and the 10th brightest star in the sky. Beta Centauri is about 390 light-years from Earth. It is a system of three B-type stars. The two brightest stars orbit each other every 357 days and form a.
2 giu 2024 · Omega Centauri (ω Centauri) is a bright globular cluster located approximately 17,090 light-years away in the southern constellation Centaurus. With an apparent magnitude of 3.9, the cluster is easily visible to the unaided eye on a clear night.
3 giu 2024 · Gamma Centauri (γ Cen) is a binary star system located 130 light-years away in the constellation Centaurus. With a combined apparent magnitude of 2.17, it is the fourth brightest point of light in Centaurus, after Rigil Kentaurus (Alpha Centauri), Hadar (Beta Centauri), and Menkent (Theta Centauri). The star system has the ...
