{"id":"S96002577","label":"Comets--Collisions with Earth","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh96002577","normalized_label":"comets--collisions with earth","broader":["http://id.loc.gov/authorities/subjects/sh2001002960","http://id.loc.gov/authorities/subjects/sh85090214"],"aliases":["Collisions of comets with Earth","Earth (Planet)--Collisions with comets","Impact of comets on Earth"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh96002577","provider":"lcsh","revision":"93398d4533986fc6","taxonomy_revision":"f050b5d4780b1289","title":"Comets--Collisions with Earth","url":"/topics/S96002577","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5494400634616693280","address_version":"morton4x16-v1","coordinates":[0,22,58248,17408],"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}