As a whole, the groups with BRGs tended to have more galaxies which were more luminous, and had a greater variety of velocities.
总的来说，含有BRG的星系群倾向于含有更多的明亮星系，在周转速度上的差异也更大。
youdao
应用推荐
模块上移
模块下移
不移动