The constellation of Centaurus, the Centaur // E. Slawik/NOIRLab/NSF/AURA/M. Zamani
Click below to read more info about this constellation and some of the named stars! You'll also have an annotated image to refer to!
Centaurus, the Centaur, is a southern constellation and one of the original 48 that Greek astronomer Ptolemy set down. Centaurus has long been seen as a half-man, half-beast as early as the Babylonians who saw it as the Bison-man.
According to Ovid, Centaurus represents the centaur Chiron, who was a tutor to Heracles, Theseus, and Jason (leader of the Argonauts). He was put into the heavens after accidentally being hit with a poison arrow show by Heracles.
In order of brightness, the named stars are:
Rigil Kentaurus (α Centauri A), a Sun-like star about 4.3 light years away. It is the dominant member of a triple star system, consisting of itself, Toliman (α Centauri B), and Proxima Centauri (α Centauri C). Toliman is another Sun-like star, while Proxima Centauri is a red dwarf. The name Rigil Kentaurus comes from the Arabic phrase Rijl al-Qinṭūrus meaning "foot of the Centaur." The name Toliman comes from the Arabic aẓ-Ẓalīmān meaning "the ostriches."
Hadar (β Centauri) is another triple star system, this time of three blue giant stars, all about 361 light years away. The name comes from the Arabic word meaning "to be present."
Menkent (θ Centauri) is a solitary orange giant star about 59 light years away. The name comes from the Arabic word mankib meaning "shoulder."
Muhlifain (γ Centauri) is a binary star system consisting of two blue-white giant stars about 130 light years away. The name comes from the Arabic word muħlifayn meaning "jurors."
Leepwal (ζ Centauri) is a binary star system about 382 light years away. Its name comes from the Marshallese language.
Kulou (ι Centauri) is a solitary blue-white giant star about 59 light years away. Its name comes from the Chinese word Kulou (库楼) meaning "the arsenal."
Heng (ν Centauri) is a binary star system about 437 light years away. Its name also comes from the Chinese word heng (衡) meaning "pivot."
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the solar system lives in the orion arm, a suburban corner of the milky way. our closest neighbors are the alpha centauri stars, a group of farming star brothers who all hate each other. while sol and proxima are fairly close, sol has a rivalry with the largest star, "kent".
α Centauri AB, two of the nearest stars to Earth // Daniel Stern
This star system is made up of three stars. The two in this image are Rigil Kentaurus (α Centauri A) and Toliman (α Centauri B). Proxima Centauri (α Centauri C) is out of view.
The name Rigil Kentaurus is a Latinization of the Arabic name Rijl al-Qinṭūrus, meaning "foot of the centaur."
The name Toliman comes from the Arabic phrase aẓ-Ẓalīmān, meaning "the ostriches."
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Un haz concentrado de partículas y fotones podría llevarnos a Próxima Centauri
Tanto los rayos de luz como los de partículas tienden a extenderse a largas distancias, lo que los hace mucho menos efectivos para enfocar un único objeto pequeño que podría estar a años luz de distancia. Incluso los láseres, si se les permite apuntar lej
Llegar a Proxima Centauri b requerirá muchas tecnologías nuevas, pero existen razones cada vez más interesantes para hacerlo. Tanto los esfuerzos públicos como los privados han comenzado a buscar seriamente formas de lograrlo, pero hasta ahora ha habido un obstáculo importante en el camino: la propulsión.
Para resolver ese problema, Christopher Limbach, ahora profesor de la Universidad de…
