🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ966873· pop 21· linked from 93 articlesKepler conjecturemathematical theorem about sphere packingWikidata factsImagePyramid of 35 spheres animation2.gifSources (1)wikidata.orgvia Wikidata · CC0Available in 21 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBanglaConnectionsQ118398EntityWeaire–Phelan structureEntityCategoriesComputer-assisted proofsConjectures that have been provedDiscrete geometryGeometry problemsHilbert's problemsJohannes KeplerPacking problemsSpheres