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すばる望遠鏡
6 天
Interacting Galaxy NGC 474
NGC 474 is more than twice the size of the Milky Way Galaxy, which has a 100,000 light-year diameter stellar disk. Although it is classified as an elliptical galaxy which is typically smooth and ...
すばる望遠鏡
6 天
衝突銀河 NGC 474
NGC474は、直径10万光年の天の川銀河(銀河系)と比べて2倍以上大きな銀河です。楕円銀河に分類されますが、のっぺりとして構造が見られない通常の楕円銀河と異なり、弧を描いたような構造や、伸びたしっぽのような構造が複数見られます。これらは数 ...
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