On the right, surrounded by blue spiral arms, is spiral galaxy M81.
右边被蓝色旋臂环绕的是旋涡星系m 81。
M82, as this irregular galaxy is also known, was stirred up by a recent pass near large spiral galaxy M81.
大螺旋星系m 81最近给力的“借火”将这个又被称为M82的不规则的星系唤起。
Last go-round, M82's gravity likely raised density waves rippling around M81, resulting in the richness of M81's spiral arms.
最近一个周期中，M82的重力增强了M81周围密度波的脉动，导致M81的旋臂更浓密。
Located about 12 million light-years away in the Ursa Major constellation, M81 is among the brightest of the galaxies visible by telescope from Earth.
距离大熊星座约1千2百万光年的波德星系是从地球上通过望远镜看到的最明亮的星系之一。
Located about 12 million light-years away in the Ursa Major constellation, M81 is among the brightest of the galaxies visible by telescope from Earth.
距离大熊星座约1千2百万光年的波德星系是从地球上通过望远镜看到的最明亮的星系之一。
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