🌐EnglishEnglishDeutschEspañol中文日本語EntityQ4918412· pop 6· linked from 23 articlesbispherical coordinates3D orthogonal coordinate system that results from rotating the 2D bipolar coordinate system about the axis that connects the two fociWikidata factsImageBispherical coordinates.pngvia Wikidata · CC0Available in 6 languagesEspañol中文日本語HungarianMarathivia Wikidata sitelinks · CC0Connectionsorthogonal coordinate systemEntitybipolar coordinatesEntityCategoriesOrthogonal coordinate systemsThree-dimensional coordinate systems