One of the most detailed spectrographs ever recorded of the Sun has revealed hundreds of missing wavelengths—gaps in the ...
Scientists have discovered missing colours in the Sun’s light spectrum. Hundreds of dark absorption lines remain unexplained, hinting towards hidden processes in our nearest star’s mysterious ...
ABSORPTION spectra of rare-earth ions have been increasingly studied over recent years because of their presentation of band and line absorption in the visible region. Much work has been carried out ...