The reason is that atomic and nuclear physics is one of the great achievements of our age.

原因是原子和核物理学是我们这个时代伟大成就之一。

There's not nearly as much oxygen as hydrogen, but kilo for kilo oxygen glows more brightly than hydrogen due to the atomic physics involved.

没有多，但由于涉及到原子物理学知识——每公斤比更亮。

Using her knowledge of atomic physics, she determined the abundances of 18 elements found in the spectra of many different stars.

利用她在原子物理学知识，她确定了在许多不同恒星光谱中发现18种元素丰度。

On one hand, we have the theory of the big, general relativity, black holes, big bangs, and the theory of the small, quantum theory, atomic physics.

一，我们有大广义相对论，黑洞，大爆炸理论和小量子理论，原子物理学。

Around the turn of the 20th century, action popped up as the key part of a solution to one of the biggest problems in atomic physics at the time.

在 20 世纪初，作用成为解决当时原子物理学中最大问题之一关键部分。