group of galaxies
英
美
- 星系群
双语例句
- In the Local Group, as elsewhere in the Universe, however, dwarf galaxies outnumber their larger, shapelier cousins.
在本星系群或者宇宙的其他地方，矮星系都多于形状规则的大型星系同辈。 - The long arcs in the optical image are caused by gravitational lensing of background galaxies by matter in the galaxy cluster, the largest system of such arcs ever found.
在可见光图像中巨长的弧线是由于背景巨大质量星系群的引力透镜所导致的，如此巨大系统中的弧线还从没见过。
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