{"id":"S95005650","label":"Spiral galaxies--Optical properties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh95005650","normalized_label":"spiral galaxies--optical properties","broader":[],"aliases":["Optical properties of spiral galaxies"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh95005650","provider":"lcsh","revision":"69f29cb0595e76c0","taxonomy_revision":"f050b5d4780b1289","title":"Spiral galaxies--Optical properties","url":"/topics/S95005650","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5206306580731151972","address_version":"morton4x16-v1","coordinates":[0,22,42671,18432],"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}