The Cartwheel Galaxy shows a ring that is the result of a collision between a small and a large galaxy.

车轮星系呈现出一个由大小两个星系碰撞而形成的光环。

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The Cartwheel Galaxy shows a ring that is the result of a collision between a small and a large galaxy.

车轮星系呈现出一个由大小两个星系碰撞而形成的光环。

youdao