...Probably it was its nearness to M80 which suggested to his mind the apparent connection of such vacancies with star-clusters which we have already mentioned... Garrett Serviss 「Curiosities of the Sky」
「vacancies」の意味・発音
いろいろなフォントで見る「vacancies」
便利！手書き漢字入力検索
この漢字は何でしょう？？
