{"id":"S2002004655","label":"Fermi's paradox","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002004655","normalized_label":"fermi's paradox","broader":["http://id.loc.gov/authorities/subjects/sh85097756"],"aliases":["Fermi paradox"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002004655","provider":"lcsh","revision":"5f5d6b64bcb5af7d","taxonomy_revision":"f050b5d4780b1289","title":"Fermi's paradox","url":"/topics/S2002004655","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9551158453565809218","address_version":"morton4x16-v1","coordinates":[0,477,20650,48128],"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}