Home›Periodic phenomena›จุดมืดดวงอาทิตย์🌐ไทยEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ49385· pop 37· linked from 467 articlesจุดมืดดวงอาทิตย์Also known as solar magnetic activity cycle, sunspot cyclesperiodic change in the Sun's activityAvailable in 37 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةAfrikaansAzerbaijaniConnectionsSunConceptcosmic radiationEntityCategoriesPeriodic phenomenaSolar cyclesSource attribution