{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T19:52:27Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T19:00:00Z",
      "ingestedAt": "2026-10-05T20:46:50+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:29+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q30916732",
    "registryId": "vr.tr.synestia",
    "name": "Synestia",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q30916732/",
  "model": {
    "registry_id": "vr.tr.synestia",
    "name": "Synestia",
    "purpose": "Let an agent explain the synestia hypothesis, its physical basis and role in Moon formation models, with attribution and clear statement of its theoretical status.",
    "definition": "A hypothesised rapidly rotating, doughnut-shaped mass of vaporised and molten rock proposed to form after a high-energy giant impact between planet-sized bodies, extending beyond the point where it could rotate as a solid body; synestias were proposed in 2017 as a possible stage in the formation of the Moon and remain a theoretical model.",
    "what_it_is_for": "Planetary science and theories of Moon formation.",
    "affordances": [
      "explain what a synestia is",
      "describe its role in Moon formation models",
      "compare with other giant impact models",
      "clarify hypothetical status"
    ],
    "distinguishing_features": [
      "Post-impact structure",
      "Rotates faster than a solid body limit",
      "Short-lived",
      "Theoretical"
    ],
    "appearance": "Not observed; modelled as a glowing, puffed, doughnut-shaped structure of vaporised rock.",
    "visual_identification": [
      "Rapidly rotating vaporised rock structure",
      "Product of a giant impact in simulations",
      "A protoplanetary disc is gas and dust around a young star"
    ],
    "physical_properties": [
      {
        "quantity": "Total mass",
        "unit": "kilograms",
        "typical_range": "",
        "note": "Infer total mass from the material represented in an impact simulation because synestias have not been directly measured."
      },
      {
        "quantity": "Radial extent",
        "unit": "kilometres",
        "typical_range": "",
        "note": "Determine radial extent from a simulation using an explicitly stated boundary criterion for the diffuse outer material."
      },
      {
        "quantity": "Temperature",
        "unit": "kelvin",
        "typical_range": "",
        "note": "Calculate the spatial temperature distribution using the simulation's thermodynamic model rather than assuming a uniform temperature."
      },
      {
        "quantity": "Angular velocity",
        "unit": "radians per second",
        "typical_range": "",
        "note": "Derive angular velocity as a function of position from simulated motion because the structure does not rotate as a single rigid body."
      }
    ],
    "families_and_kinds": [
      "synestias in Moon formation models",
      "synestias in exoplanet impact models",
      "related post-impact discs and structures"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "hypothetical astronomical object",
        "why": "category"
      },
      {
        "relation": "is proposed in",
        "target": "Moon formation theory",
        "why": "context"
      },
      {
        "relation": "is related to",
        "target": "eyeball planet",
        "why": "other hypothetical object"
      },
      {
        "relation": "is related to",
        "target": "celestial body",
        "why": "broader class"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation"
    ],
    "failure_modes_and_hazards": [
      "Presenting the model as established",
      "Confusing with discs or nebulae"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the synestia hypothesis and its role in theories of the Moon's formation, citing the research.",
        "State that synestias are hypothesised and have not been observed."
      ],
      "must_not": [
        "Present the synestia as observed or established fact.",
        "Misattribute the hypothesis or its results to the wrong researchers.",
        "Present competing models of Moon formation as disproved without evidence."
      ],
      "requires_human": [
        "Publishing educational material that ranks competing scientific hypotheses."
      ]
    },
    "ethics": {
      "considerations": [
        "Honest presentation of hypotheses protects public trust in science."
      ],
      "affected_parties": [
        "Students and readers",
        "Researchers whose work is cited"
      ]
    },
    "owners": {
      "steward": "Nobody owns the idea; it belongs to planetary science.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q30916732: Synestia",
      "url": "https://www.wikidata.org/wiki/Q30916732",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Synestia",
      "url": "https://en.wikipedia.org/wiki/Synestia",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "idea",
        "name": "Idea",
        "description": "The proposal.",
        "rationale": "Attribute the idea.",
        "layers": [
          {
            "id": "physics",
            "name": "Physics",
            "description": "How it forms.",
            "findings": [
              {
                "id": "physics-finding",
                "name": "Physics",
                "description": "Physics.",
                "questions": [
                  {
                    "text": "How would a giant impact produce a synestia, according to the proposing researchers?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Who proposed it, and when?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "status",
            "name": "Status",
            "description": "Hypothetical.",
            "findings": [
              {
                "id": "status-finding",
                "name": "Status",
                "description": "Status.",
                "questions": [
                  {
                    "text": "Is the synestia an observed object or a theoretical model?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How is it presented in the literature?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "moon",
        "name": "Moon",
        "description": "Moon formation.",
        "rationale": "Models compete.",
        "layers": [
          {
            "id": "role",
            "name": "Role",
            "description": "In lunar origin.",
            "findings": [
              {
                "id": "role-finding",
                "name": "Role",
                "description": "Lunar origin.",
                "questions": [
                  {
                    "text": "How does the synestia model explain the Moon composition and its similarity to Earth?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How does it differ from the classic giant impact model?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "evidence",
            "name": "Evidence",
            "description": "Tests.",
            "findings": [
              {
                "id": "evidence-finding",
                "name": "Evidence",
                "description": "Evidence.",
                "questions": [
                  {
                    "text": "What isotopic and chemical evidence do the models seek to explain?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which observations could distinguish them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "properties",
        "name": "Properties",
        "description": "Modelled features.",
        "rationale": "Simulations.",
        "layers": [
          {
            "id": "structure",
            "name": "Structure",
            "description": "Shape and rotation.",
            "findings": [
              {
                "id": "structure-finding",
                "name": "Structure",
                "description": "Structure.",
                "questions": [
                  {
                    "text": "What structure, temperature and rotation do simulations give a synestia?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How long would it last?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "elsewhere",
            "name": "Elsewhere",
            "description": "Other systems.",
            "findings": [
              {
                "id": "elsewhere-finding",
                "name": "Elsewhere",
                "description": "Other systems.",
                "questions": [
                  {
                    "text": "Could synestias occur in other planetary systems, and could they be observed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What would they look like?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Explaining.",
        "rationale": "Clarity and caution.",
        "layers": [
          {
            "id": "explain",
            "name": "Explain",
            "description": "Plain language.",
            "findings": [
              {
                "id": "explain-finding",
                "name": "Explain",
                "description": "Plain explanation.",
                "questions": [
                  {
                    "text": "How can the synestia idea be explained simply while noting its status?",
                    "kind": "action"
                  },
                  {
                    "text": "Which images or models help?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "sources",
            "name": "Sources",
            "description": "Papers.",
            "findings": [
              {
                "id": "sources-finding",
                "name": "Sources",
                "description": "Papers.",
                "questions": [
                  {
                    "text": "Which papers introduced and developed the synestia model?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which reviews assess it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should Moon formation be a separate entry?",
    "How should simulation papers be linked?",
    "How should competing models be attributed?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}