🌐EnglishEnglishDeutschEspañolFrançaisPolskiTiếng ViệtРусскийالعربية한국어中文日本語EntityQ3419689· pop 12· linked from 48 articlesmass-to-light ratioratio of total mass of a galaxy or cluster to its luminosityAvailable in 12 languagesEspañolFrançais中文日本語РусскийالعربيةAfrikaansCatalanPolskiUkrainianConnectionsluminosityEntitySunConceptCategoriesConcepts in astrophysicsPhysical cosmologyRatios