Emission spectra of two iron ions, Fe IX and Fe X, are particularly useful for studying the sun's outer atmosphere. However, both of these spectra contain emission lines that can't yet be matched ...

Because the energy levels are the same, the lines in the emission spectra of an element ... the gases in the upper atmosphere of the sun. \(1\). Line spectra are produced when electrons move ...

Every now and again, the night sky lights up with a spectacular explosion that blazes with the most energetic light our Universe can produce. Known as gamma-ray bursts, they can release in a few ...