🌐EnglishEnglishBahasa IndonesiaDeutschEspañolItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية中文日本語EntityQ744654· pop 23solar variationchange in the amount of radiation emitted by the SunAvailable in 23 languagesDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBelarusianBulgarianConnectionssolar cycleEntity