The aurora borealis is a circular area that is formed by the aurora borealis, which is a circular oval that extends from the center of the Earth to the center of the Sun. *Some of the terminology that refers to "Aurora Oval" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…オーロラが同時に存在する領域の緯度は地球の昼の側では75~80゜,夜の側で65~70゜となり,全体として一続きの,ほぼ円形の領域になる。このように1日の時刻による変化を考慮したオーロラ出現地域はオーロラ・オバルと呼ばれる。 ※「オーロラ・オバル」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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