🌐EnglishEnglishEspañolFrançaisItalianoРусскийالعربيةفارسی中文EntityQ17105538· pop 9· linked from 117 articlesring singularityRing-shaped gravitational singularity of a rotating blackholeAvailable in 9 languagesEspañolFrançaisРусскийItalianoالعربيةCatalanInterlinguaفارسیvia Wikidata sitelinks · CC0ConnectionsSchwarzschild metricEntitystellar populationEntityCategoriesBlack holesGravitational singularitiesWormhole theory