{"id":"S85145961","label":"Weightlessness","description":"Works on the physics or theory of gravitational forces are entered under [Gravitation] or [Gravity.]\n\nHere are entered works on the physiological and psychological effects of environments in which the gravitational forces are zero or markedly lower than the gravity on Earth.\n\nWorks on the physiological effects of normal gravity and of acceleration expressed in g's are entered under [Gravity--Physiological effect.]","source_url":"https://id.loc.gov/authorities/subjects/sh85145961","normalized_label":"weightlessness","broader":["http://id.loc.gov/authorities/subjects/sh85056558","http://id.loc.gov/authorities/subjects/sh85056565","http://id.loc.gov/authorities/subjects/sh85125916"],"aliases":["Free fall, Physiological effect of","Gravity-free state, Physiological effect of","Subgravity state, Physiological effect of","Zero-gravity state, Physiological effect of"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85145961","provider":"lcsh","revision":"b6ed5ef77583b482","taxonomy_revision":"f050b5d4780b1289","title":"Weightlessness","url":"/topics/S85145961","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547714774054340100","address_version":"morton4x16-v1","coordinates":[0,20,19685,41984],"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}