{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T13:55:32Z",
    "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": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:29:56+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q337768",
    "registryId": "vr.tr.inferior-and-superior-planets",
    "name": "inferior and superior planets",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q337768/",
  "model": {
    "registry_id": "vr.tr.inferior-and-superior-planets",
    "name": "inferior and superior planets",
    "purpose": "Let an agent explain inferior and superior planets and their observable consequences, such as phases, elongation, transits, oppositions and retrograde motion.",
    "definition": "A classification of planets relative to Earth orbit: inferior planets, Mercury and Venus, orbit closer to the Sun than Earth, while superior planets, from Mars outward, orbit farther away; the terms differ from inner and outer planets, which are divided by the asteroid belt.",
    "what_it_is_for": "Planetary astronomy and observing.",
    "affordances": [
      "classify a planet as inferior or superior",
      "explain phases and greatest elongation",
      "explain opposition and retrograde motion",
      "plan observations"
    ],
    "distinguishing_features": [
      "Defined relative to Earth orbit",
      "Different viewing geometry",
      "Inferior planets show full phases",
      "Superior planets reach opposition"
    ],
    "appearance": "Planets in the sky near the Sun (inferior) or visible all night at opposition (superior).",
    "visual_identification": [
      "Venus and Mercury near the Sun",
      "Mars and outer planets at opposition",
      "Inner and outer planets divide at the asteroid belt"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "inferior planets",
      "superior planets"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "planet classification",
        "why": "category"
      },
      {
        "relation": "is contrasted with",
        "target": "inner and outer planets",
        "why": "related classification"
      },
      {
        "relation": "includes",
        "target": "Venus",
        "why": "inferior example"
      },
      {
        "relation": "includes",
        "target": "Mars",
        "why": "superior example"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "IAU planet definitions"
    ],
    "failure_modes_and_hazards": [
      "Confusing with inner and outer planets",
      "Eye damage when observing near the Sun"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Classify planets as inferior or superior and explain the difference from inner and outer planets.",
        "Explain the visibility and phases that follow from the classification."
      ],
      "must_not": [
        "Confuse inferior and superior with inner and outer planets.",
        "Present the terms as judgements of the planets' quality.",
        "Present astrological claims about the planets as astronomy."
      ],
      "requires_human": [
        "Using the classification in teaching material as authoritative."
      ]
    },
    "ethics": {
      "considerations": [
        "Clear science teaching helps people tell astronomy from astrology."
      ],
      "affected_parties": [
        "Students and teachers",
        "Amateur observers"
      ]
    },
    "owners": {
      "steward": "Nobody owns the classification; the astronomical community uses it.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q337768: inferior and superior planets",
      "url": "https://www.wikidata.org/wiki/Q337768",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Inferior and superior planets",
      "url": "https://en.wikipedia.org/wiki/Inferior_and_superior_planets",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "classify",
        "name": "Classify",
        "description": "Which class.",
        "rationale": "Earth orbit divides them.",
        "layers": [
          {
            "id": "which",
            "name": "Which",
            "description": "Classification.",
            "findings": [
              {
                "id": "which-finding",
                "name": "Which",
                "description": "Classification.",
                "questions": [
                  {
                    "text": "Is this planet inferior or superior?",
                    "kind": "definition"
                  },
                  {
                    "text": "How does this differ from inner and outer planets?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "Terminology.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "Terminology.",
                "questions": [
                  {
                    "text": "Where do the terms inferior and superior come from, according to historians of astronomy?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are they still used?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "inferior",
        "name": "Inferior",
        "description": "Mercury and Venus.",
        "rationale": "Geometry shapes views.",
        "layers": [
          {
            "id": "phases",
            "name": "Phases",
            "description": "Phases and elongation.",
            "findings": [
              {
                "id": "phases-finding",
                "name": "Phases",
                "description": "Phases and elongation.",
                "questions": [
                  {
                    "text": "Why do inferior planets show phases and never appear far from the Sun?",
                    "kind": "definition"
                  },
                  {
                    "text": "When is the next greatest elongation?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "transit",
            "name": "Transit",
            "description": "Transits.",
            "findings": [
              {
                "id": "transit-finding",
                "name": "Transit",
                "description": "Transits.",
                "questions": [
                  {
                    "text": "When is the next transit of Mercury or Venus?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How can it be observed safely?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "superior",
        "name": "Superior",
        "description": "Mars and beyond.",
        "rationale": "Oppositions give best views.",
        "layers": [
          {
            "id": "opposition",
            "name": "Opposition",
            "description": "Opposition.",
            "findings": [
              {
                "id": "opposition-finding",
                "name": "Opposition",
                "description": "Opposition.",
                "questions": [
                  {
                    "text": "When is this planet next at opposition?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Why is it brightest then?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "retrograde",
            "name": "Retrograde",
            "description": "Apparent motion.",
            "findings": [
              {
                "id": "retrograde-finding",
                "name": "Retrograde",
                "description": "Retrograde motion.",
                "questions": [
                  {
                    "text": "Why do superior planets appear to move backwards for a while?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is this an illusion of viewpoint?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observing",
        "name": "Observing",
        "description": "Practical viewing.",
        "rationale": "Safety near the Sun.",
        "layers": [
          {
            "id": "safety",
            "name": "Safety",
            "description": "Sun safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Sun safety.",
                "questions": [
                  {
                    "text": "Is the planet close to the Sun in the sky right now?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How can it be observed without risking eye damage?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "plan",
            "name": "Plan",
            "description": "Finding planets.",
            "findings": [
              {
                "id": "plan-finding",
                "name": "Plan",
                "description": "Planning.",
                "questions": [
                  {
                    "text": "Where and when can this planet be seen tonight, according to an almanac?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which apps or ephemerides help?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each class be a separate entry?",
    "How should ephemerides be linked?",
    "How should dwarf planets be treated?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
