{"id":"S2006004124","label":"Gravity assist (Astrodynamics)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006004124","normalized_label":"gravity assist (astrodynamics)","broader":["http://id.loc.gov/authorities/subjects/sh85095313"],"aliases":["Low energy transfers (Astrodynamics)","Swingby technique (Astrodynamics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006004124","provider":"lcsh","revision":"e94ef27e85765105","taxonomy_revision":"f050b5d4780b1289","title":"Gravity assist (Astrodynamics)","url":"/topics/S2006004124","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"902976133635647072","address_version":"morton4x16-v1","coordinates":[0,478,17606,28672],"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}