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Reference.org
Schumann–Runge bands
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<p>The Schumann–Runge bands are a set of <a href="/facts/Absorption_band/PgVaAI6j">absorption bands</a> of <a href="/facts/Molecular_oxygen/UVNYnKUQ">molecular oxygen</a> that occur at wavelengths between 176 and 192.6 nanometres. The bands are named for <a href="/facts/Victor_Schumann/geezAyeH">Victor Schumann</a> and <a href="/facts/Carl_David_Tolm%25C3%25A9_Runge/XErAYMT8">Carl Runge</a>. </p>