🌐EnglishEnglishBahasa IndonesiaEspañolРусскийالعربية中文日本語EntityQ8478922· pop 7· linked from 181 articlesfive-planet Nice modelAlso known as Hypothetical fifth gas giantnumerical model of the early Solar SystemAvailable in 7 languagesEspañol中文РусскийالعربيةBahasa IndonesiaUkrainianvia Wikidata sitelinks · CC0ConnectionsSolar SystemEntityKuiper BeltEntityCategories2011 in scienceAstronomical events of the Solar SystemHypothetical astronomical objectsPlanetary scienceSolar SystemSolar System dynamic theories