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Spectra Showing Different Elements

Each element in the periodic table can appear in gaseous form and will produce a series of bright lines unique to that element. This graphic shows the unique set of emission lines of 4 elements: carbon, oxygen, nitrogen, and iron.
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Last Updated
Mar 27, 2025
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov