{"id":"S2003006242","label":"Nuclear rocket engines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003006242","normalized_label":"nuclear rocket engines","broader":["http://id.loc.gov/authorities/subjects/sh85114703"],"aliases":["Nuclear rockets--Engines"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003006242","provider":"lcsh","revision":"c6bd4af4ae146287","taxonomy_revision":"f050b5d4780b1289","title":"Nuclear rocket engines","url":"/topics/S2003006242","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13835273587042444802","address_version":"morton4x16-v1","coordinates":[0,477,36300,34816],"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}