Production of Emission Lines of Iron in the Sun
The visible Emission Spectrum of Iron contains around two hundred emission lines from violet to red which represent the large number of Electron energy losses when Electrons drop from a higher Quantum Energy Level to a lower Quantum Energy Level
A Neutral 56Fe atom has an Electron Configuration of 2, 8, 14, 2
Within the Sun Iron Nuclei above 7,250K start collecting Electrons at the lowest energy level (2) and in the process Photon Energy at Wavelengths less than 4,000A are emitted as Ultra-Violet Light
As the Iron Nuclei cool further, the Electrons progressively drop into the second (8)and third (14) energy levels progressively producing Photons at (5,800K 5,000A Green), (4,800K 6,000A Orange) and (4,150K 7,000A Red)
The final two valence Electrons produce Infra-Red radiation at temperatures below 4,150K
The Energy density of the Blue, Indigo, Violet emission lines is much larger than the density of the Red, Orange, Yellow emission lines which is due to the higher Temperature at the Blue, Indigo, and Violet emission lines. The Energy density of the Green emission lines lies between those of Violet and Red
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