{"id":"S2002007177","label":"Protoplanetary disks","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002007177","normalized_label":"protoplanetary disks","broader":["http://id.loc.gov/authorities/subjects/sh85000439","http://id.loc.gov/authorities/subjects/sh85124548"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002007177","provider":"lcsh","revision":"8648d88a481d23aa","taxonomy_revision":"f050b5d4780b1289","title":"Protoplanetary disks","url":"/topics/S2002007177","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"325393879472153154","address_version":"morton4x16-v1","coordinates":[0,477,20690,9216],"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}