{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.desert-planet","code":"thing-q1037127","url":"https://ver.cy/models/thing/q1037127/","name":"desert planet","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.SPC"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A desert planet is a rocky planet with very little water, including existing dry rocky planets such as Mars in this broad sense, as well as hypothetical planets studied in habitability models and fictional worlds.","purpose":"Let an agent explain desert planets as existing dry rocky worlds, scientific hypotheses, and a fiction trope, attributing habitability models and separating fiction from observation.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Desert planets have very little water.","The broad class includes existing dry rocky planets such as Mars.","Their habitability may differ from that of ocean-rich planets.","Desert planets are common in fiction."],"structure":{"bundles":[{"id":"science","name":"Science","description":"Models.","layers":[{"id":"models","name":"Models","description":"Dry planet models.","findings":[{"id":"models-finding","name":"Models","description":"Dry planet models.","questions":[{"text":"What do planetary scientists propose about the climate and habitability of dry planets?","kind":"provenance"},{"text":"Who proposed these models?","kind":"provenance"}]}]},{"id":"status","name":"Status","description":"Observational status.","findings":[{"id":"status-finding","name":"Status","description":"Observational status.","questions":[{"text":"Has any exoplanet been shown to be a desert planet?","kind":"boundary"},{"text":"Which observations could test it?","kind":"provenance"}]}]}]},{"id":"habitability","name":"Habitability","description":"Life potential.","layers":[{"id":"zone","name":"Zone","description":"Habitable zone.","findings":[{"id":"zone-finding","name":"Zone","description":"Habitable zone.","questions":[{"text":"How might a dry planet habitable zone differ from an ocean planet, according to studies?","kind":"provenance"},{"text":"How certain is it?","kind":"boundary"}]}]},{"id":"mars","name":"Mars","description":"Real examples.","findings":[{"id":"mars-finding","name":"Mars","description":"Real dry planets.","questions":[{"text":"What does Mars teach about dry planets, according to missions?","kind":"provenance"},{"text":"Where is water found on Mars?","kind":"provenance"}]}]}]},{"id":"fiction","name":"Fiction","description":"Culture.","layers":[{"id":"works","name":"Works","description":"Fictional worlds.","findings":[{"id":"works-finding","name":"Works","description":"Fictional worlds.","questions":[{"text":"Which fictional desert planets are well known, and in which works?","kind":"provenance"},{"text":"How realistic are they, according to scientists?","kind":"provenance"}]}]},{"id":"separate","name":"Separate","description":"Fact and fiction.","findings":[{"id":"separate-finding","name":"Separate","description":"Fact and fiction.","questions":[{"text":"Is the question about a fictional world rather than a real planet?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]},{"id":"learning","name":"Learning","description":"Explaining.","layers":[{"id":"explain","name":"Explain","description":"Plain language.","findings":[{"id":"explain-finding","name":"Explain","description":"Plain explanation.","questions":[{"text":"How can the idea of desert planets be explained simply?","kind":"action"},{"text":"Which caveats apply?","kind":"boundary"}]}]},{"id":"sources","name":"Sources","description":"Literature.","findings":[{"id":"sources-finding","name":"Sources","description":"Literature.","questions":[{"text":"Which papers discuss dry planet habitability?","kind":"provenance"},{"text":"Are there reviews?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain the desert planet concept in planetary science and fiction, distinguishing the two.","Report research on arid worlds, citing sources and distinguishing observed planets from hypothetical models."],"mustNot":["Present an exoplanet as a confirmed desert planet without supporting observational evidence.","Present science fiction depictions as scientific findings."],"requiresHuman":["Announcing a planet as a desert world in a public catalogue."]},"ethics":{"considerations":["Overstated discoveries erode public trust in astronomy.","Correct attribution gives credit to the researchers who proposed the ideas."],"affectedParties":["The public and students","Researchers"]},"owners":{"steward":"Nobody owns the class of objects; the scientific community answers for its classification.","roles":[],"masterSystems":[]},"relations":[{"target":"Q80796829","type":"parent","note":"registry parent class"},{"target":"hypothetical planet","type":"related","note":"category"},{"target":"Mars","type":"related","note":"dry real planet"},{"target":"ocean planet","type":"related","note":"water-rich class"},{"target":"science fiction","type":"related","note":"culture"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.desert-planet","Wikidata: Q1037127 (https://www.wikidata.org/wiki/Q1037127)"]},"properties":{"applicability":"required","items":["Surface water coverage:  percent - The fraction of surface covered by water is specified in a model or estimated from observations, with no universal threshold defining a desert planet.","Planetary radius:  km - Radius is specified in a hypothetical model or inferred from suitable astronomical observations.","Surface temperature:  K - Temperature is modeled or constrained by radiation measurements and depends on location, time, and atmospheric conditions."]},"recognition":{"applicability":"required","items":["Arid terrestrial planets in models","Fictional desert worlds","Mars is a cold, dry real planet with some water ice","Imagined as sandy, rocky worlds with little water; not directly observed."]},"capabilities":{"applicability":"required","items":["explain scientific models of dry planets","summarise habitability arguments with attribution","distinguish real exoplanets from fictional worlds","discuss desert planets in fiction"]},"hazards":{"applicability":"required","items":["Presenting fictional worlds as real","Overstating habitability claims"]},"interfaces":{"applicability":"required","items":["No specific regulation"]},"context":{"applicability":"required","items":["Exoplanet science, habitability research and fiction.","dry terrestrial planet models","arid habitable-zone planets","fictional desert planets"]}},"sources":[{"title":"Wikidata item Q1037127: desert planet","url":"https://www.wikidata.org/wiki/Q1037127","note":"identity and sense of the item"},{"title":"Wikipedia: Desert planet","url":"https://en.wikipedia.org/wiki/Desert_planet","note":"general description of the item"}],"openQuestions":["Should planet types be separate entries?","How should habitability studies be linked?","How should fiction be linked?"],"resources":{"spec":"/models/things/publications/thing-q1037127/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1037127/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T14:17:01Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}