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Delta Ursae Minoris : ウィキペディア英語版 | Delta Ursae Minoris
Delta Ursae Minoris (δ UMi, δ Ursae Minoris; also 23 UMi) is a star in the constellation Ursa Minor. It has the traditional name Yildun (also spelled ''Vildiur, Jildun, Gildun,'' and ''Yilduz),'' from the Turkish ''yıldız'' "star". It may also have been called ''Pherkard,'' an alternate spelling of Pherkad, used for γ UMi and 11 UMi. Delta Ursae Minoris is a white A-type main sequence dwarf with an apparent magnitude of +4.35 approximately 172 light years from Earth.〔 ==In science fiction== The star is mentioned in the Honorverse, a series of military science fiction novels written by David Weber, as the headquarters of Technodyne Industries of Yildun, a major Solarian League shipbuilding corporation with rather questionable ethics (e.g. business ties with Manpower Incorporated and Jessyk Combine, both of Mesa), though the star system is described as including only a (highly mineral-and-metals-rich) asteroid belt.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Delta Ursae Minoris」の詳細全文を読む
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