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  <gcmd:gcmd>
    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
    <gcmd:keywordVersion>23.7</gcmd:keywordVersion>
    <gcmd:schemeVersion>2026-04-15T10:53:30.610Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/bf22e55d-fbff-4eaf-8592-68be24e2bc32</gcmd:viewer>
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  <skos:Concept rdf:about="bf22e55d-fbff-4eaf-8592-68be24e2bc32">
    <skos:broader rdf:resource="4ad0c52d-6449-48ff-8678-adc6b2cebcb7"/>
    <skos:prefLabel xml:lang="en">AIRGLOW</skos:prefLabel>
    <gcmd:reference gcmd:text="Glossary of Solar-Terrestrial Terms from the High Altitude Observatory (HAO) at the National Center for Atmospheric Research (NCAR), Boulder, CO. &apos;http://web.hao.ucar.edu/public/education/glossary.html&apos;" xml:lang="en"/>
    <skos:definition xml:lang="en">A faint luminescence of the night sky originating in photochemical reactions inthe upper atmosphere. Also referred to as geocoronal emission.</skos:definition>
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