🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ1075685· pop 23· linked from 420 articlescarbon-burning processnuclear fusion process in the cores of massive stars, combining carbon nuclei into heavier elementsAvailable in 23 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanConnectionsproton–proton chain reactionEntitytriple-alpha processEntityCategoriesNucleosynthesis