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Arctic Circle (disambiguation) : ウィキペディア英語版 | Arctic Circle (disambiguation) Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. it may also refer to; *Arctic Circle Restaurants, a chain of burger and shake restaurants based in Midvale, Utah, USA *Arctic Circle Air, an American airline based in Fairbanks, Alaska, USA *Arctic Circle Raceway, the biggest race track in Norway *Arctic circle theorem in mathematics *Arctic Circle (organization), an annual interdisciplinary conference related to Arctic issues based in Reykjavík, Iceland. *Arctic Circle Trail, a trekking tour in West Greenland In the astronomy of the ancient Greeks, the "Arctic Circle" was an observer-dependent circle on the celestial sphere, centred on the northern celestial pole and tangential to the horizon, within which all the northern circumpolar stars lie.
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「Arctic Circle (disambiguation)」の詳細全文を読む
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