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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク 49 Pales ： ウィキペディア英語版 49 Pales 49 Pales is a large, dark main-belt asteroid. It was discovered by German-French astronomer Hermann Goldschmidt on September 19, 1857 from his balcony in Paris.〔 The asteroid is named after Pales, the goddess of shepherds in Roman mythology. Since it was discovered on the same night as 48 Doris, geologist Élie de Beaumont suggested naming the two "The Twins".〔 Pales has been studied by radar.〔 Photometric observations of this asteroid from the Torino Observatory during 1977 gave a light curve with a period of 10.42 ± 0.02 hours and a brightness variation of 0.18 in magnitude. The curve appeared to show a secondary minima.〔 The shape of the curve has a similar appearance to the light curve of binary star Algol, suggesting that this may be a binary asteroid system.〔 ==References== 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「49 Pales」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.