🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ978297· pop 23· linked from 188 articlesbinary systemsystem of two astronomical bodies which orbit each otherAvailable in 23 languagesEspañolFrançais中文РусскийPortuguêsItalianoالعربيةAsturianBasqueCatalanConnectionsSunConceptSolar SystemEntityCategoriesAstronomical dynamical systemsBinary systemsCelestial mechanics