{"id":"S85141956","label":"Van Allen radiation belts","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85141956","normalized_label":"van allen radiation belts","broader":["http://id.loc.gov/authorities/subjects/sh2005004316"],"aliases":["Allen radiation belts","Earth (Planet)--Radiation belts","Van Allen zones"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85141956","provider":"lcsh","revision":"850a3a5a00372f6a","taxonomy_revision":"f050b5d4780b1289","title":"Van Allen radiation belts","url":"/topics/S85141956","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290556943834154564","address_version":"morton4x16-v1","coordinates":[0,20,19623,4096],"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}