{"id":"S85126001","label":"Space vehicles--Propulsion systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85126001","normalized_label":"space vehicles--propulsion systems","broader":["http://id.loc.gov/authorities/subjects/sh2003010905"],"aliases":["Interplanetary propulsion","Space flight propulsion systems","Space propulsion"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85126001","provider":"lcsh","revision":"2baf4b293df4cba6","taxonomy_revision":"f050b5d4780b1289","title":"Space vehicles--Propulsion systems","url":"/topics/S85126001","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088142623282972164","address_version":"morton4x16-v1","coordinates":[0,20,19373,50176],"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}