And when we're talking about orbitals in the same state, what we find is that orbitals that have lower values of l can actually penetrate closer to the nucleus.

当我们谈论在相同态的轨道时,轨道事实上，我们发现的,是具有较低l值的,可以穿越到距离原子核更近的地方。

麻省理工公开课 - 化学原理课程节选