DescriptionHydrogen-Fine-Hyperfine-Levels-en.svg English: Fine and hyperfinelevels of the hydrogen atom with the resulting radiation frequencies. English
under the following license: English structure of thin and hyperfine splits in the hydrogen atom Russian Структуры тонкого и сверхтонкого расщеплений в
resultierenden Strahlungsfrequenzen. Quellen: [1] Finehyperfinelevels.png English: Fine and hyperfinelevels of the hydrogen atom with the resulting radiation frequencies