{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"99dc52d8246b24fccae8eff0c0e6dc93499a994b929e861bcdb608db79e75510","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"2a967062c828db33fe9f66d1beba493d9e28a7d2d3e4e16d92f9c0f11ac4fa90","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"earth.giant-planet-interiors","field":"earth","n":"1","review_cite":"Ravit Helled, David J. Stevenson, The fuzzy cores of Jupiter and Saturn, AGU Advances (arXiv:2403.11657), 2024","review_link":"https://arxiv.org/abs/2403.11657","review_verified":"true","summary":"Juno and Cassini showed that Jupiter and Saturn do not have a small, sharp rocky core; heavy material is smeared over a large fraction of the planet. Cassini also measured Saturn's rings in a way that suggests they are young, which is now hotly disputed.","title":"Giant planet interiors and Saturn's ring age","topic_ref":null,"why":"Giant-planet interiors and ring ages test planet formation theory and the history of the outer solar system."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"98930448b979604a081578cbdcee93172ed4efa6774dcfbd338efa6dd2e302c0","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"d1ef97ed65a12451d9ea806a051e0bbf4bad90b6fbb82c2c04a59de3ed1b0e41","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"hmKA4Dc4deyghTLuyqLK7NpBsgoHN6ctwbVaLQ7zBnk6yCohFZQ4JVCFbEFjvqrjhhY8lCK0hspXmmxErNAbDg"},"schema":"pubphys.envelope/1"},"record_hash":"98930448b979604a081578cbdcee93172ed4efa6774dcfbd338efa6dd2e302c0","leaf_index":200}