dumbbell galaxy

• 哑铃状星系

dumbbell galaxy的用法和样例：

例句

1. In the current paradigm of galaxy formation, disk galaxies are assumed to form by the cooling and condensation of baryons within dark matter halos.
   目前的星系形成理论认为，盘状星系由暗晕中的重子物质冷却并坍缩而成。
2. The big, beautiful spiral galaxy is located just 10 million light-years away, behind a veil of foreground dust and stars in the high and far-off constellation of Cepheus.
   这是一个很壮观而且漂亮的漩涡状星系，距离我们仅仅一千万年光年远，就在仙王座的位置。