... A sun halo is a sun halo, and a moon halo is a moon halo. The halo phenomenon can appear in various ways, but the most common is the inner halo, followed by mock suns, upper tangent arcs, zenithal arcs, sun pillars, outer halos, and parhelic circles. According to long-term observations in Tokyo, the average number of times a sun halo has been seen in a year is about 57, so it is not such an uncommon phenomenon. *Some terminology explanations that mention "sun pillar" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 太陽でできるのを〈日の暈〉,月でできるのを〈月の暈〉と呼んでいる。暈の現象はいろいろな現れ方をするが,出現する頻度の最も多いのは〈内暈〉で,次に〈幻日(げんじつ)mock suns〉〈上端接弧〉〈天頂弧circumzenithal arc〉〈太陽柱(光柱)sun pillar〉〈外暈〉〈幻日環parhelic circle〉の順である。東京の長年の観測結果では,1年間に日の暈の見えた回数は平均約57回になっているから,そんなに珍しい現象ではない。… ※「sun pillar」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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