🌐EnglishEnglishDeutschItalianoNederlandsРусскийالعربية한국어中文日本語EntityQ1907452· pop 13· linked from 17 articlesmass–luminosity relationEquation in stellar astrophysicsAvailable in 13 languagesDeutsch中文日本語РусскийItalianoالعربيةFinnishNederlandsNorwegian NynorskSlovenianConnectionsStefan-Boltzmann lawEntityproton–proton chain reactionEntityCategoriesStellar astronomyStellar evolution