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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 M81 Group ： ウィキペディア英語版 M81 Group The M81 Group is a galaxy group in the constellations Ursa Major and Camelopardalis that includes the well-known galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses. The approximate center of the group is located at a distance of 3.6 Mpc, making it one of the nearest groups to the Local Group.〔 The group is estimated to have a total mass of (1.03 ± 0.17). The M81 Group, the Local Group, and other nearby groups all lie within the Virgo Supercluster (i.e. the Local Supercluster). ==Members== The table below lists galaxies that have been identified as associated with the M81 Group by I. D. Karachentsev.〔 Note that the object names used in the above table differ from the names used by Karachentsev. NGC, IC, UGC, and PGC numbers have been used in many cases to allow for easier referencing. 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「M81 Group」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.