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NGC 406 is a spiral galaxy quite similar to the well known Whirlpool galaxy, located some 65 million light-years away, in the southern constellation of Tucana (the Toucan). NGC 406 is about 60 000 light-years across, roughly half the diameter of the Milky way. ==Gallery== File:NGC406-hst-R814GB435.jpg|Large Hubble Image 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 406」の詳細全文を読む スポンサード リンク
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