{"id":"S85063719","label":"Hypersonic wind tunnels","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063719","normalized_label":"hypersonic wind tunnels","broader":["http://id.loc.gov/authorities/subjects/sh85001296","http://id.loc.gov/authorities/subjects/sh85146909"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063719","provider":"lcsh","revision":"2cd197207392e32d","taxonomy_revision":"f050b5d4780b1289","title":"Hypersonic wind tunnels","url":"/topics/S85063719","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9514008437651014144","address_version":"morton4x16-v1","coordinates":[0,20,18400,39936],"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}