车轮星系 meaning in English

cartwheel galaxy

The insets to the right of the composite show how each telescope individually views the cartwheel
右侧插入的小图是每架望远镜各自眼中的车轮星系。
The unique shape of the cartwheel galaxy with its huge rim - larger than the diameter of the milky way galaxy - is likely due to a collision with one of the smaller galaxies on the lower left several hundred million years ago
车轮星系独特的外观及庞大的外缘（比银河系的直径还要大）可能起源于几亿年前与左下某个小星系的碰撞。