Atmospheric gases play a primary role in determining the colors and spectral characteristics of auroras through the excitation and emission of specific atoms and molecules like oxygen and nitrogen.
Evidence for · 2
The Spectrum of the Aurora Borealis: From Enigma to Laboratory Science
2009 · cited by 6
The paper explains how auroral lines, such as the dominant green line, are caused by the excitation of specific atmospheric constituents like oxygen atoms.
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Triplet state harvesting and search for forbidden transition intensity in the nitrogen molecule.
2022 · cited by 1
The paper discusses how triplet excited states of nitrogen molecules in the upper atmosphere produce the aurora borealis.