🌐EnglishEnglishBahasa IndonesiaEspañolPortuguêsSvenskaالعربيةفارسی한국어日本語EntityQ5533988· pop 12· linked from 239 articlesgeodesics in general relativitygeneralization of straight line to a curved space timeConnectionsKip S. ThorneEntityEinstein field equationsEntityCategoriesGeneral relativityGeodesic (mathematics)