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M81

M81M81
  1. M81 is a " grand design " spiral galaxy , which means its elegant arms curl all the way down into its center .

    编辑是一个“宏伟设计”的螺旋星系,这意味着它幽雅武器袅袅一路下跌到其中心。

  2. In fact , the process otherwise appears to be just like the accretion process feeding M81 's stellar mass black holes , even though the central black hole is millions of times more massive .

    事实上,这个过程看上去就像给M81内恒星量级的黑洞吸积过程,尽管中央黑洞质量要大上数百万倍。