High Quality Content by WIKIPEDIA articles! Aldebaran est l'etoile la plus brillante de la constellation du Taureau, c'est aussi la 13e etoile la plus brillante du ciel nocturne. Sa magnitude absolue est de ?0,63 et sa magnitude apparente moyenne de +0,86. Son nom vient de l'arabe al dabar?n qui signifie le suiveur, en reference a l'etoile qui suit les Pleiades dans leur course au travers du ciel nocturne. Visuellement, Aldebaran semble etre le membre le plus brillant d'un groupe d'etoiles assez etale : l'amas des Hyades, qui est l'amas le plus proche de la Terre, mais Aldebaran est en fait situe a mi-chemin entre la Terre et les Hyades et est donc independant de celui-ci. Aldebaran est une geante rouge de magnitude 0,86 et de type spectral K5 III, ce qui signifie qu'elle est orangee, grande et qu'elle a quitte la sequence principale apres avoir utilise tout son hydrogene. Maintenant, elle brule essentiellement de l'helium et s'est etendue en atteignant un diametre approximatif de 5,3x107 km, soit environ 38 fois celui du Soleil.

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High Quality Content by WIKIPEDIA articles! The 42nd (Royal Highland) Regiment of Foot was an infantry regiment of the British Army. Originally the 43rd Highlanders they were renumbered the 42nd in 1748.After the 1715 Jacobite Rising the British government did not have the resources or manpower to keep a standing army in the Scottish highlands. As a result, they were forced to keep order by recruiting men from local Highland clans that had been loyal to the Whigs. This proved to be unsuccessful in deterring crime, especially cattle rustling, so independent companies (of what would be known as the Black Watch) were raised as a militia in 1725 by George Wade to keep "watch" for crime. The militia was recruited from local clans, with one company coming from Clan Munro, one from Clan Fraser, one from Clan Grant and three from Clan Campbell. These companies were commonly known as the Am Freiceadan Dubh, or Black Watch, taking their name from their task and from the dark green government tartan they were issued[citation needed], and eventually recruited many young gentlemen from both Jacobite and Whig clans.

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