🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسیไทย한국어中文日本語EntityQ590581· pop 22· linked from 38 articleshorizon problemAlso known as homogeneity problemcosmological fine-tuning problemAvailable in 22 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanEstonianFinnishConnectionscosmic microwave backgroundEntityinflationEntityCategoriesCosmic inflationPhysical cosmological concepts