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NGC 7026 is a planetary nebula located 6000 light years away, in the constellation of Cygnus. This image was produced by the Hubble Space Telescope using the Wide Field and Planetary Camera 2 aboard. ==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 7026」の詳細全文を読む スポンサード リンク
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