{"id":"S85041995","label":"Electric rocket engines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85041995","normalized_label":"electric rocket engines","broader":["http://id.loc.gov/authorities/subjects/sh85079780","http://id.loc.gov/authorities/subjects/sh85098356","http://id.loc.gov/authorities/subjects/sh85114703"],"aliases":["Electric rocket propulsion"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85041995","provider":"lcsh","revision":"7231a53c72b640a4","taxonomy_revision":"f050b5d4780b1289","title":"Electric rocket engines","url":"/topics/S85041995","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324413380750362116","address_version":"morton4x16-v1","coordinates":[0,20,18061,11264],"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}