The question of how much surplus of electric charge (“surcharge”) fits on an object is generally very difficult to answer. Here, it is shown that it is easy to answer when the object is a failed white dwarf star (a brown dwarf in its ground state) made of protons and electrons: Given the number of protons, how many electrons can there be? Surprisingly, the answer (in the form: as few as $\mathfrak{A}$ and as many as $\mathfrak{B}$) is independent of the speed of light c and the Planck quantum h, even when the star is stabilized against collapse by relativistic quantum mechanics.

中文翻译：

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…“白矮星”适合多少电费？

通常，很难解决多少多余的电荷（“附加费”）适合物体的问题。在此表明，当物体是由质子和电子构成的失效白矮星（处于基态的棕色矮星）时，很容易回答：给定质子的数量，可以有多少个电子？令人惊讶的是，答案（形式为：$\mathfrak{一种}$ 以及多达 $\mathfrak{乙}$）不受光速c和普朗克量子h的影响，即使恒星通过相对论量子力学使之稳定下来也不会崩溃。