但是，有时候这些光变得过于弯曲，在第一个星系周边形成环状。
That light can sometimes become so distorted that it actually appears to ring the nearer galaxy.
赛非星系能量巨大，因为在其中心有-一黑洞，黑洞周围则环绕着环状星云。
Seyfert galaxies are energetic because they have a central black hole surrounded by a ring of gas.
两个母星系间的碰撞产生里一个冲击波先将物质拉向中心然后使其向外传播形成环状。
The collision between the two parent galaxies produced a shockwave effect that first drew matter into the center and then caused it to propagate outwards in a ring.
两个母星系间的碰撞产生里一个冲击波先将物质拉向中心然后使其向外传播形成环状。
The collision between the two parent galaxies produced a shockwave effect that first drew matter into the center and then caused it to propagate outwards in a ring.
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