Abstract
It is well known that eclipse observations show that the chief constituents of the higher levels of the sun's chromosphere are ionised calcium and hydrogen. The equilibrium of the calcium has formed the subject of Milne's important researches. The hydrogen presents a rather different problem owing to the large number of possible quantum states that have to be considered.
Publisher
Cambridge University Press (CUP)
Reference9 articles.
1. See §3.
2. Spectrophotometry of the Chromosphere.: (Plates 7, 8, 9.)
3. Were the assembly in thermodynamic equilibrium the distribution must, of course, obey Boltzmann's law. What we see is that it could not be calculated from the weights and energy levels of the atoms supposed independent.
4. Sur le nombre des électrons de dispersion pour les spectres continus et pour les spectres de séries de l'hydrogène