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NGC 53 is a barred spiral galaxy with a ring in the constellation Tucana.〔 It was discovered by John Herschel in 15 September 1836.〔 He described it as "very faint, small, extended".〔 The galaxy is approximately 120,000 light-years across, making it about as large as the Milky Way.〔 ==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「NGC 53」の詳細全文を読む スポンサード リンク
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