🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ910022· pop 29· linked from 125 articlesplanetary differentiationformation of distinct layers in a planetAvailable in 29 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةAfrikaansArmenianConnectionsradioactive decayEntityGoldschmidt classificationEntityCategoriesPlanetary science