{"id":"S91002577","label":"Mars landing sites","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91002577","normalized_label":"mars landing sites","broader":["http://id.loc.gov/authorities/subjects/sh85081548"],"aliases":["Landing sites, Martian","Martian landing sites"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91002577","provider":"lcsh","revision":"4004f02b960ed087","taxonomy_revision":"f050b5d4780b1289","title":"Mars landing sites","url":"/topics/S91002577","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207296140185584198","address_version":"morton4x16-v1","coordinates":[0,21,45659,17408],"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}