dark halo

• 暗晕

dark halo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。