{"id":"S85104134","label":"Polar ionosphere","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104134","normalized_label":"polar ionosphere","broader":["http://id.loc.gov/authorities/subjects/sh85067833"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104134","provider":"lcsh","revision":"6fa616d563a427ce","taxonomy_revision":"f050b5d4780b1289","title":"Polar ionosphere","url":"/topics/S85104134","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290693557143355904","address_version":"morton4x16-v1","coordinates":[0,20,19032,6144],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}