{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"e24a3e0e2a80ba8735befb0a17d70dafef65d2a6594361cc4068da5d42e32ecf","created":"2026-10-03T07:17:55Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"2ded2ad425834fd07982fd4db202dc75e5eb8fae846900ae1f7bb0cb4151e758","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"mechanism","assisted_by":[],"external_id":"astro.hot-jupiters.radius-inflation","kind":"phenomenon","literature_status":"open","n":"1","parents":[],"plain":"Strongly heated giant planets are often puffier than any standard cooling model allows. Some extra heat must be deposited deep inside them.","posed_since":"2001","precise":"Hot Jupiters receiving incident flux $F > \\sim 2x10^{8}\\,\\mathrm{erg}/\\mathrm{s}/\\mathrm{cm}^{2}$ have radii up to $\\sim 2\\,\\text{Jupiter radii}$, exceeding standard evolution models. Identify the mechanism that deposits heat in the interior: Ohmic dissipation, tidal heating, downward advection of heat by atmospheric circulation, or delayed contraction, by matching the radius anomaly versus $F$, planet mass and age.","problem_ref":null,"references":"","settled_by":"Measurement of the radius anomaly versus incident flux and age, including planets whose host stars have brightened (re-inflation test), compared with each mechanism's prediction.","status_note":"","title":"Why are many hot Jupiters larger than models predict?","topic_ref":"1e0254cb819018d5ed8997a7e251ef6a68c90da1082e1990c43ed16b01153ec7"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"ef11b65a5faef35e91b7ffa5e798e11b11d22f546e27d7a218c686f269b9c85e","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"373ae8e38c97a3a361276574ab54bee804d55bedbb709009d0858b9c5b3d471a","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"Gjb_9UE85b1BrHjVIySjTGR7mDUGUrSjth8dMCdu9ti1VcFX8WFiB97gW4It5fsuJW2atJGbudq7q9AE7w85Cw"},"schema":"pubphys.envelope/1"},"record_hash":"ef11b65a5faef35e91b7ffa5e798e11b11d22f546e27d7a218c686f269b9c85e","leaf_index":558}