Astronomy   View all facts   Glossary   Help
abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > set of lines > fine structure
Next set of lineslambda doublet    Upset of lines    Previous set of linesset of molecular lines   

fine structure comparison table
Subject is a kind of has definition
set of linesspectral featureA set of absorption or emission lines in the spectra of a celestial object
fine structureset of linesSplitting of spectral lines by the spin-orbit energy - i.e., the potential energy of the inherent electron magnetic moment in the atom's own magnetic field.

Next set of lineslambda doublet    Upset of lines    Previous set of linesset of molecular lines