🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی中文日本語EntityQ4913879· pop 17· linked from 215 articlesbinary black holeAlso known as BBHsystem consisting of two black holes orbiting each otherAvailable in 17 languagesEspañolFrançais中文РусскийPortuguêsItalianoالعربيةCatalanCroatianPolskisimpleConnectionsparsecEntitygravitational waveEntityCategoriesBinary starsBlack holesGravitational waves