...Some spurs form large arcs and are called radio loops. A typical example of a radio loop is the North Polar Spur, also known as Loop I, which extends north from 30° Galactic Longitude. Some believe that its origin is the remains of an old supernova that occurred very close to the Sun. [Yoshiaki Sobue]... *Some of the terminology that refers to "north polar spur" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…またスパーの中には大きな円弧を描くものもあり,電波ループと呼ばれている。電波ループの代表的なものに銀経30゜から北にのびるノースポーラースパーnorth polar spur,別名ループIがあるが,その成因は太陽のごく近くで発生した古い超新星の残骸であろうという見方もある。【祖父江 義明】。… ※「north polar spur」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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